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  <xs:element id="abg_A2021RealEstateFacilityMember" abstract="true" name="A2021RealEstateFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_BusinessCombinationConsiderationTransferredOtherRelease" abstract="false" name="BusinessCombinationConsiderationTransferredOtherRelease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_AssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSalePolicyPolicyTextBlock" abstract="false" name="AssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSalePolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="abg_MortgageNotesPayableLiabilitiesAssociatedwithAssetsHeldforSale" abstract="false" name="MortgageNotesPayableLiabilitiesAssociatedwithAssetsHeldforSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_FloorPlanInterestExpense" abstract="false" name="FloorPlanInterestExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" 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-types:domainItemType"/>
  <xs:element id="abg_FinanceAndInsuranceExpense" abstract="false" name="FinanceAndInsuranceExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ScheduleOfComponentsOfInventoryTable" abstract="true" name="ScheduleOfComponentsOfInventoryTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_FivePointZeroZeroPercentPercentSeniorNotesDue2029Member" abstract="true" name="FivePointZeroZeroPercentPercentSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_FloorPlanNotesPayableNonTrade" abstract="false" name="FloorPlanNotesPayableNonTrade" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_UsedVehicleCostOfSales" abstract="false" name="UsedVehicleCostOfSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_DomesticBrandsMember" abstract="true" name="DomesticBrandsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NumberOfUsedCarsStoresAcquired" abstract="false" name="NumberOfUsedCarsStoresAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_VacantPropertyMember" abstract="true" name="VacantPropertyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_BusinessCombinationAndDisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" abstract="false" name="BusinessCombinationAndDisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="abg_PreliminaryPaymentsToAcquireBusinessesNetOfCashAcquired" abstract="false" name="PreliminaryPaymentsToAcquireBusinessesNetOfCashAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ComponentsOfInventoryAxis" abstract="true" name="ComponentsOfInventoryAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abg_Financeandinsurancenet" abstract="false" name="Financeandinsurancenet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock" abstract="false" name="SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <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_InvestmentsNoncurrent" abstract="false" name="InvestmentsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ContractsInTransitHeldForSale" abstract="false" name="ContractsInTransitHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_UsedVehiclesMember" abstract="false" name="UsedVehiclesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NumberOfNewVehicleDealershipsAcquired" abstract="false" name="NumberOfNewVehicleDealershipsAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_InsuranceMember" abstract="true" name="InsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NumberOfFranchisesSold" abstract="false" name="NumberOfFranchisesSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesofLongtermDebt" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesofLongtermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" 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_AssetsHeldForSaleCurrent" abstract="false" name="AssetsHeldForSaleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ManufacturerReceivablesMember" abstract="true" name="ManufacturerReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_LHMDealershipsMember" abstract="true" name="LHMDealershipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_InterestRateSwap4Member" abstract="true" name="InterestRateSwap4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableNonTrade" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableNonTrade" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" 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-types:domainItemType"/>
  <xs:element id="abg_SaleofvehiclepartsandaccessoriesMember" abstract="true" name="SaleofvehiclepartsandaccessoriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_PartsAndAccessoriesMember" abstract="false" name="PartsAndAccessoriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NumberOfFranchises" abstract="false" name="NumberOfFranchises" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abg_PurchasesofTreasuryStock" abstract="false" name="PurchasesofTreasuryStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_A2018WellsFargoMasterLoanFacilityMember" abstract="true" name="A2018WellsFargoMasterLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_FloorPlanNotesPayableNonTradeUsedGross" abstract="false" name="FloorPlanNotesPayableNonTradeUsedGross" nillable="true" xbrli:periodType="instant" 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_UsedVehicleRevenue" abstract="false" name="UsedVehicleRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_ContractsInTransit" abstract="false" name="ContractsInTransit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abg_UsedvehiclewholesaleMember" abstract="true" name="UsedvehiclewholesaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_NewVehiclesMember" abstract="false" name="NewVehiclesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_InterestRateSwap2Member" abstract="true" name="InterestRateSwap2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abg_RepaymentsOfFloorPlanPayablesNonTradeDivestitures" abstract="false" name="RepaymentsOfFloorPlanPayablesNonTradeDivestitures" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_DeferredCommissionsMember" abstract="true" name="DeferredCommissionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
