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  <xs:element id="abg_FourPointSevenFivePercentSeniorNotesdue2030Member" abstract="true" name="FourPointSevenFivePercentSeniorNotesdue2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_FivePointZeroZeroPercentPercentSeniorNotesDue2029Member" abstract="true" name="FivePointZeroZeroPercentPercentSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_FourPointSixTwoFivePercentSeniorNotesDue2029Member" abstract="true" name="FourPointSixTwoFivePercentSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_NewFloorPlanFacilityMember" abstract="true" name="NewFloorPlanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_AccountingPoliciesLineItems" abstract="true" name="AccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abg_RestrictedInvestmentsFairValue" abstract="false" name="RestrictedInvestmentsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AdvertisingCreditsAndVolumeDiscounts" abstract="false" name="AdvertisingCreditsAndVolumeDiscounts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LoanerVehiclePeriodOfUseBeforeSale" abstract="false" name="LoanerVehiclePeriodOfUseBeforeSale" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_LongTermDebtAndLeaseObligationsCurrentAndNoncurrent" abstract="false" name="LongTermDebtAndLeaseObligationsCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_EntityWideRevenuesMajorBrandsDisclosurePercentageThreshold" abstract="false" name="EntityWideRevenuesMajorBrandsDisclosurePercentageThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" abstract="false" name="StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AssetsHeldForSaleBusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAssetsHeldForSale" abstract="false" name="AssetsHeldForSaleBusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAssetsHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_CompanyVehiclesMember" abstract="true" name="CompanyVehiclesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ScheduleOfRevenuesByMajorBrandTable" abstract="true" name="ScheduleOfRevenuesByMajorBrandTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_TypeOfBrandAxis" abstract="true" name="TypeOfBrandAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_TypeOfBrandDomain" abstract="true" name="TypeOfBrandDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ToyotaMotorSalesU.S.A.Inc.ToyotaandLexusMember" abstract="true" name="ToyotaMotorSalesU.S.A.Inc.ToyotaandLexusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_StellantisNVChryslerDodgeJeepRamAndFiatMember" abstract="true" name="StellantisNVChryslerDodgeJeepRamAndFiatMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_AmericanHondaMotorCo.Inc.HondaandAcuraMember" abstract="true" name="AmericanHondaMotorCo.Inc.HondaandAcuraMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_FordMotorCompanyFordandLincolnMember" abstract="true" name="FordMotorCompanyFordandLincolnMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_MercedesBenzUSALLCMercedesBenzSmartandSprinterMember" abstract="true" name="MercedesBenzUSALLCMercedesBenzSmartandSprinterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_HyundaiMotorNorthAmericaHyundaiAndGenesisMember" abstract="true" name="HyundaiMotorNorthAmericaHyundaiAndGenesisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_GeneralMotorsCompanyChevroletBuickAndGMCMember" abstract="true" name="GeneralMotorsCompanyChevroletBuickAndGMCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ScheduleOfRevenuesByMajorBrandLineItems" abstract="true" name="ScheduleOfRevenuesByMajorBrandLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abg_EntityWideRevenuesMajorBrandPercentage" abstract="false" name="EntityWideRevenuesMajorBrandPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_NewandusedvehicleMember" abstract="true" name="NewandusedvehicleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_FinanceandinsuranceMember" abstract="true" name="FinanceandinsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_UsedvehicleretailMember" abstract="true" name="UsedvehicleretailMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_UsedvehiclewholesaleMember" abstract="true" name="UsedvehiclewholesaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_SaleofvehiclepartsandaccessoriesMember" abstract="true" name="SaleofvehiclepartsandaccessoriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_VehiclerepairandmaintenanceservicesMember" abstract="true" name="VehiclerepairandmaintenanceservicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_DeferredCommissionsMember" abstract="true" name="DeferredCommissionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_VehicleRepairAndMaintenanceServicesMember" abstract="true" name="VehicleRepairAndMaintenanceServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_DeferredSalesCommissionsMember" abstract="true" name="DeferredSalesCommissionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ChangeinContractwithCustomerAssetRollForward" abstract="true" name="ChangeinContractwithCustomerAssetRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abg_ContractWithCustomerAssetAmortizationOfCostsToObtainAContractWithACustomer" abstract="false" name="ContractWithCustomerAssetAmortizationOfCostsToObtainAContractWithACustomer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ContractWithCustomerCostsToObtainContract" abstract="false" name="ContractWithCustomerCostsToObtainContract" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="abg_DealerNameAxis" abstract="true" name="DealerNameAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_DealerNameDomain" abstract="true" name="DealerNameDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NissanMember" abstract="true" name="NissanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_ChevroletMember" abstract="true" name="ChevroletMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_IntangibleAssetsIncludingGoodwillPeriodforFederalandStateTaxDeductions" abstract="false" name="IntangibleAssetsIncludingGoodwillPeriodforFederalandStateTaxDeductions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_NumberOfFranchisesSold" abstract="false" name="NumberOfFranchisesSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_NumberOfDealershipLocationsSold" abstract="false" name="NumberOfDealershipLocationsSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_NumberofCollisionCentersSold" abstract="false" name="NumberofCollisionCentersSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_UsedFloorPlanFacilityMember" abstract="true" name="UsedFloorPlanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOperatingLeaseLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_VehicleReceivablesMember" abstract="true" name="VehicleReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ManufacturerReceivablesMember" abstract="true" name="ManufacturerReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_OtherTradeAccountsReceivableMember" abstract="true" name="OtherTradeAccountsReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ScheduleOfComponentsOfInventoryTable" abstract="true" name="ScheduleOfComponentsOfInventoryTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_PartsAndAccessoriesMember" abstract="false" name="PartsAndAccessoriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ComponentsOfInventoryLineItems" abstract="true" name="ComponentsOfInventoryLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abg_ScheduleOfComponentsOfInventoryLineItems" abstract="true" name="ScheduleOfComponentsOfInventoryLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abg_ReductionToNewVehicleCostOfSalesByAutomobileManufacturerIncentives" abstract="false" name="ReductionToNewVehicleCostOfSalesByAutomobileManufacturerIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationLoaners" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationLoaners" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseROUAssets" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseROUAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeasesCurrentMaturities" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeasesCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_RealEstateNotCurrentlyUsedinOperationsMember" abstract="true" name="RealEstateNotCurrentlyUsedinOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_NumberOfFranchiseSold" abstract="false" name="NumberOfFranchiseSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_NumberofDealershipLocationsAcquired" abstract="false" name="NumberofDealershipLocationsAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_OtherAssetsCurrentServiceLoanerVehicles" abstract="false" name="OtherAssetsCurrentServiceLoanerVehicles" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_MortgageAndOtherAssetsBackedSecuritiesMember" abstract="true" name="MortgageAndOtherAssetsBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_NonCashImpairmentOfIntangibleAssetsFiniteLivedPreTax" abstract="false" name="NonCashImpairmentOfIntangibleAssetsFiniteLivedPreTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DealershipsMember" abstract="true" name="DealershipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_TCAMember" abstract="true" name="TCAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_GoodwillReclassifiedFromAssetsHeldForSale" abstract="false" name="GoodwillReclassifiedFromAssetsHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_GoodwillReclassifiedToAssetsHeldForSale" abstract="false" name="GoodwillReclassifiedToAssetsHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ImpairmentOfIntangibleAssetsReclassifiedFromAssetsHeldForSale" abstract="false" name="ImpairmentOfIntangibleAssetsReclassifiedFromAssetsHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ImpairmentOfIntangibleAssetsReclassifiedToAssetsHeldForSale" abstract="false" name="ImpairmentOfIntangibleAssetsReclassifiedToAssetsHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableTradeGross" abstract="false" name="FloorPlanNotesPayableTradeGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableTradeOffsets" abstract="false" name="FloorPlanNotesPayableTradeOffsets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableNonTradeNewGross" abstract="false" name="FloorPlanNotesPayableNonTradeNewGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableNonTradeUsedGross" abstract="false" name="FloorPlanNotesPayableNonTradeUsedGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableNonTradeOffsets" abstract="false" name="FloorPlanNotesPayableNonTradeOffsets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_NewVehicleFloorPlanMember" abstract="true" name="NewVehicleFloorPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_UsedVehicleRevolvingFloorPlanFacilityMember" abstract="true" name="UsedVehicleRevolvingFloorPlanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_SeniorCreditFacilityMember" abstract="true" name="SeniorCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="abg_A2023SeniorCreditFacilityMember" abstract="true" name="A2023SeniorCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NewVehicleFloorPlanFacilityMember" abstract="true" name="NewVehicleFloorPlanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_UsedVehicleFloorPlanFacilityMember" abstract="true" name="UsedVehicleFloorPlanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_RevolvingCreditFacility1Member" abstract="true" name="RevolvingCreditFacility1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_NewVehicleandUsedVehicleFloorPlanMember" abstract="true" name="NewVehicleandUsedVehicleFloorPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LoanerVehicleNotesPayableBankOfAmericaMember" abstract="true" name="LoanerVehicleNotesPayableBankOfAmericaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LoanerVehicleNotesPayableOEMsMember" abstract="true" name="LoanerVehicleNotesPayableOEMsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_BankOfAmericaNAMember" abstract="true" name="BankOfAmericaNAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_BaseRateComponentFederalFundsMember" abstract="true" name="BaseRateComponentFederalFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_BaseRateComponentSOFRMember" abstract="true" name="BaseRateComponentSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_DebtInstrumentVariableRateMinimum" abstract="false" name="DebtInstrumentVariableRateMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abg_NotesPayableLoanerVehicleCurrent" abstract="false" name="NotesPayableLoanerVehicleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_TaxesPayableCurrentExcludingIncomeTaxesPayable" abstract="false" name="TaxesPayableCurrentExcludingIncomeTaxesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AccruedFinanceAndInsuranceChargebacksCurrent" abstract="false" name="AccruedFinanceAndInsuranceChargebacksCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxLiabilitiesTaxDeferredExpenseReservesAndAccrualsUnearnedPremiums" abstract="false" name="DeferredTaxLiabilitiesTaxDeferredExpenseReservesAndAccrualsUnearnedPremiums" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AccruedLicensesAndRegulatoryFeesCurrent" abstract="false" name="AccruedLicensesAndRegulatoryFeesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_A2021RealEstateFacilityMember" abstract="true" name="A2021RealEstateFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_A2021BofARealEstateFacilityMember" abstract="true" name="A2021BofARealEstateFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_A2018BofARealEstateFacilityMember" abstract="true" name="A2018BofARealEstateFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_A2018WellsFargoMasterLoanFacilityMember" abstract="true" name="A2018WellsFargoMasterLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_A2013BofARealEstateFacilityMember" abstract="true" name="A2013BofARealEstateFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_A2015WellsFargoMasterLoanFacilityMember" abstract="true" name="A2015WellsFargoMasterLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_WellsFargoBankNationalAssociationMember" abstract="true" name="WellsFargoBankNationalAssociationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LongTermDebtAndLeaseObligationsCurrentAndNoncurrentIncludingUnamortizedPremiumDiscount" abstract="false" name="LongTermDebtAndLeaseObligationsCurrentAndNoncurrentIncludingUnamortizedPremiumDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LongTermDebtAndLeaseObligations1" abstract="false" name="LongTermDebtAndLeaseObligations1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_SixPointZeroPercentSeniorSubordinatedNotesDue2024Member" abstract="true" name="SixPointZeroPercentSeniorSubordinatedNotesDue2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_AdditionalDebtIssuanceCostsNet" abstract="false" name="AdditionalDebtIssuanceCostsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_MaximumRedemptionAsPercentFromAggregatePrincipalAmount" abstract="false" name="MaximumRedemptionAsPercentFromAggregatePrincipalAmount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_RedemptionAmountProRataBasisPercent" abstract="false" name="RedemptionAmountProRataBasisPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_RedemptionAmountProRataBasis" abstract="false" name="RedemptionAmountProRataBasis" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_FederalFundsMember" abstract="true" name="FederalFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LineOfCreditFacilityNumberOfQuarterlyPrincipalPayments" abstract="false" name="LineOfCreditFacilityNumberOfQuarterlyPrincipalPayments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_LineofCreditFacilityQuarterlyPrincipalPaymentsasPercentofInitialAmount" abstract="false" name="LineofCreditFacilityQuarterlyPrincipalPaymentsasPercentofInitialAmount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_SOFRPlusBasisSpreadMember" abstract="true" name="SOFRPlusBasisSpreadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LineofCreditFacilityRepaymentSchedule" abstract="false" name="LineofCreditFacilityRepaymentSchedule" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_LineofCreditFacilityNumberofEqualMonthlyPrincipalPayments" abstract="false" name="LineofCreditFacilityNumberofEqualMonthlyPrincipalPayments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_LineofCreditFacilityAmortizationSchedule" abstract="false" name="LineofCreditFacilityAmortizationSchedule" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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  <xs:element id="abg_CaptiveMortgageMember" abstract="true" name="CaptiveMortgageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_ReastatedCreditAgreementMember" abstract="true" name="ReastatedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_LettersOfCreditBorrowingAvailability" abstract="false" name="LettersOfCreditBorrowingAvailability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LettersOfCreditAdditionalAmountAvailableForConversion" abstract="false" name="LettersOfCreditAdditionalAmountAvailableForConversion" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DebtInstrumentConsolidatedTotalLeverageRatio" abstract="false" name="DebtInstrumentConsolidatedTotalLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abg_RestrictedPaymentsCapacityPercentOfNetIncome" abstract="false" name="RestrictedPaymentsCapacityPercentOfNetIncome" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_RestrictedPaymentsCapacityPercentOfCashProceedsReceiveFromSaleOfEquityInterests" abstract="false" name="RestrictedPaymentsCapacityPercentOfCashProceedsReceiveFromSaleOfEquityInterests" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_GeneralRestrictedPaymentsAllowance" abstract="false" name="GeneralRestrictedPaymentsAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DerivativeLiabilityNotionalAmountAtMaturity" abstract="false" name="DerivativeLiabilityNotionalAmountAtMaturity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_MortgageNotesPayableMember" abstract="true" name="MortgageNotesPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDue2026Member" abstract="true" name="InterestRateSwapDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDue122031Member" abstract="true" name="InterestRateSwapDue122031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDue52031Member" abstract="true" name="InterestRateSwapDue52031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDueDecember2028Member" abstract="true" name="InterestRateSwapDueDecember2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDueNovember2025Member" abstract="true" name="InterestRateSwapDueNovember2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_InterestRateSwapDueFebruary2025Member" abstract="true" name="InterestRateSwapDueFebruary2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_DebtSecuritiesAvailableForSaleLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion" abstract="false" name="DebtSecuritiesAvailableForSaleLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxAssetsTaxDeferredExpenseDeferredRevenue" abstract="false" name="DeferredTaxAssetsTaxDeferredExpenseDeferredRevenue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxAssetsRightofUseAssets" abstract="false" name="DeferredTaxAssetsRightofUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxLiabilitiesIntangibleassetamortization" abstract="false" name="DeferredTaxLiabilitiesIntangibleassetamortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxLiabilitiesDepreciation" abstract="false" name="DeferredTaxLiabilitiesDepreciation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DeferredTaxLiabilitiesOperatingLeaseLiabilities" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AccruedFinanceAndInsuranceChargebacksNoncurrent" abstract="false" name="AccruedFinanceAndInsuranceChargebacksNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_UnclaimedProperty" abstract="false" name="UnclaimedProperty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_CashPaidDuringPeriodRelatedToFloorPlanInterest" abstract="false" name="CashPaidDuringPeriodRelatedToFloorPlanInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LoanerVehiclesAmountTransferredFromOtherCurrentAssetsToInventory" abstract="false" name="LoanerVehiclesAmountTransferredFromOtherCurrentAssetsToInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_NewVehicleMember" abstract="true" name="NewVehicleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_UsedVehicleMember" abstract="true" name="UsedVehicleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_PartsAndServiceMember" abstract="true" name="PartsAndServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_DeferralOfSellingGeneralAndAdministrativeExpenses" abstract="false" name="DeferralOfSellingGeneralAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_RentAndRelatedExpenses" abstract="false" name="RentAndRelatedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_BusinessAcquisitionDeferredAcquisitionCostsAmortization" abstract="false" name="BusinessAcquisitionDeferredAcquisitionCostsAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_OperatingLeaseAssetHeldforSale" abstract="false" name="OperatingLeaseAssetHeldforSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LeasesRightofUseAsset" abstract="false" name="LeasesRightofUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_OperatingLeaseLiabilityHeldforSaleCurrent" abstract="false" name="OperatingLeaseLiabilityHeldforSaleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_OperatingLeaseLiabilityHeldforSaleNoncurrent" abstract="false" name="OperatingLeaseLiabilityHeldforSaleNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_LeasesLiability" abstract="false" name="LeasesLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_OperatingLeaseLiabilityIncludingHeldForSaleCurrent" abstract="false" name="OperatingLeaseLiabilityIncludingHeldForSaleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_OperatingLeaseLiabilityNoncurrent1" abstract="false" name="OperatingLeaseLiabilityNoncurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AmountOfSuretyBondLineMaintained" abstract="false" name="AmountOfSuretyBondLineMaintained" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_A2019EquityandIncentiveCompensationPlanMember" abstract="true" name="A2019EquityandIncentiveCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionNextTwelveMonths" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionNextTwelveMonths" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearTwo" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearTwo" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearThree" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearThree" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualInstallments" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualInstallments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAwardToShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAwardToShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="abg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_SharebasedCompensationArrangementbySharebasedPaymentAwardPercentofTargetNumberofSharesEarned" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPercentofTargetNumberofSharesEarned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="abg_EmployeeRetirementPlanGroupsOfParticipantsAxis" abstract="true" name="EmployeeRetirementPlanGroupsOfParticipantsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_EmployeeRetirementPlanGroupsOfParticipantsDomain" abstract="true" name="EmployeeRetirementPlanGroupsOfParticipantsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_AgeFiftyOrMoreMember" abstract="true" name="AgeFiftyOrMoreMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abg_DefineContributionPlanMinimumAgeRequirement" abstract="false" name="DefineContributionPlanMinimumAgeRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_DefinedContributionPlanEmployerMatchingContributionEmploymentRequirementPeriodForMatchingEligibilityMinimum" abstract="false" name="DefinedContributionPlanEmployerMatchingContributionEmploymentRequirementPeriodForMatchingEligibilityMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_DefinedContributionPlanEmployersMatchingContributionVestingPeriod" abstract="false" name="DefinedContributionPlanEmployersMatchingContributionVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abg_HerbChambersDealershipsMember" abstract="true" name="HerbChambersDealershipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_BusinessCombinationConsiderationToBeTransferred" abstract="false" name="BusinessCombinationConsiderationToBeTransferred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_BusinessCombinationGoodwillToBeAcquired" abstract="false" name="BusinessCombinationGoodwillToBeAcquired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_BusinessCombinationRealEstateToBeAcquired" abstract="false" name="BusinessCombinationRealEstateToBeAcquired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_BusinessCombinationDealershipsToBeAcquired" abstract="false" name="BusinessCombinationDealershipsToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_BusinessCombinationFranchisesToBeAcquired" abstract="false" name="BusinessCombinationFranchisesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_BusinessCombinationCollisionCentersToBeAcquired" abstract="false" name="BusinessCombinationCollisionCentersToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
