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  <xs:element id="acva_WarehouseFacilityMember" abstract="true" name="WarehouseFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_NYFRBMember" abstract="true" name="NYFRBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_AssetBackedCommercialPaperConduitWeightedAverageAnnualRateMember" abstract="true" name="AssetBackedCommercialPaperConduitWeightedAverageAnnualRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_CreditSpreadAdjustmentAxis" abstract="true" name="CreditSpreadAdjustmentAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="acva_CreditSpreadAdjustmentDomain" abstract="true" name="CreditSpreadAdjustmentDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_CreditSpreadAdjustmentOneMember" abstract="true" name="CreditSpreadAdjustmentOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_CreditSpreadAdjustmentTwoMember" abstract="true" name="CreditSpreadAdjustmentTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_CreditSpreadAdjustmentThreeMember" abstract="true" name="CreditSpreadAdjustmentThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_DebtInstrumentCovenantPeriodAxis" abstract="true" name="DebtInstrumentCovenantPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="acva_DebtInstrumentCovenantPeriodDomain" abstract="true" name="DebtInstrumentCovenantPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_DebtInstrumentCovenantPeriodOneMember" abstract="true" name="DebtInstrumentCovenantPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_DebtInstrumentCovenantPeriodTwoMember" abstract="true" name="DebtInstrumentCovenantPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_DebtInstrumentSOFRFloor" abstract="false" name="DebtInstrumentSOFRFloor" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_DebtInstrumentCreditSpreadAdjustment" abstract="false" name="DebtInstrumentCreditSpreadAdjustment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_DebtInstrumentCreditSpreadAdjustmentTerm" abstract="false" name="DebtInstrumentCreditSpreadAdjustmentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="acva_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="acva_DebtInstrumentDecreaseInBasisSpreadOnVariableRate" abstract="false" name="DebtInstrumentDecreaseInBasisSpreadOnVariableRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_OperatingLeaseRightOfUseAssetAbstract" abstract="true" name="OperatingLeaseRightOfUseAssetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="acva_CommonStockNumberOfVotes" abstract="false" name="CommonStockNumberOfVotes" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="acva_NumberOfShareOutstandingConversionThresholdPercentage" abstract="false" name="NumberOfShareOutstandingConversionThresholdPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_AuctionMarketplaceRevenueMember" abstract="true" name="AuctionMarketplaceRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_OtherMarketplaceRevenueMember" abstract="true" name="OtherMarketplaceRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_DataServicesRevenueMember" abstract="true" name="DataServicesRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_RestrictedStockUnitsAndCommonStockOptionMember" abstract="true" name="RestrictedStockUnitsAndCommonStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_FairMarketValueOfTheCompanysClassACommonStock" abstract="false" name="FairMarketValueOfTheCompanysClassACommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementMinimumPercentile" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementMinimumPercentile" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementMaximumEarningsPotentialRangeMinimumPercentile" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementMaximumEarningsPotentialRangeMinimumPercentile" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="acva_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementEarningPotentialCapPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnRequirementEarningPotentialCapPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestedInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestedInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_MarketplaceAndServiceCostOfRevenueMember" abstract="true" name="MarketplaceAndServiceCostOfRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_OperationsAndTechnologyMember" abstract="true" name="OperationsAndTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_PreTaxBookIncomeLossAbstract" abstract="true" name="PreTaxBookIncomeLossAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="acva_DeferredTaxAssetsExcessDepreciationAndAmortization" abstract="false" name="DeferredTaxAssetsExcessDepreciationAndAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_DeferredTaxAssetsLeaseLiability" abstract="false" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_DeferredTaxLiabilitiesRightOfUseAsset" abstract="false" name="DeferredTaxLiabilitiesRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_DeferredTaxLiabilitiesIndefiniteLivedIntangible" abstract="false" name="DeferredTaxLiabilitiesIndefiniteLivedIntangible" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_DeferredTaxAssetsExcludingCertainDeferredTaxLiabilitiesRelatedToIndefiniteLivedIntangiblesMember" abstract="true" name="DeferredTaxAssetsExcludingCertainDeferredTaxLiabilitiesRelatedToIndefiniteLivedIntangiblesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceAcquisitionAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceAcquisitionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_NonCashTaxCharge" abstract="false" name="NonCashTaxCharge" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="acva_IndianaAutoAuctionMember" abstract="true" name="IndianaAutoAuctionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_TheMarch13th2024AcquisitionMember" abstract="true" name="TheMarch13th2024AcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_A166AutoAuctionMember" abstract="true" name="A166AutoAuctionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_AllianceAutoAuctionsMember" abstract="true" name="AllianceAutoAuctionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_TheAugust2023AcquisitionMember" abstract="true" name="TheAugust2023AcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_TheApril2023AcquisitionMember" abstract="true" name="TheApril2023AcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsFinancingReceivable" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsFinancingReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedPayroll" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedPayroll" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_FiniteLivedIntangibleAssetsSubjectToAmortizationNet" abstract="false" name="FiniteLivedIntangibleAssetsSubjectToAmortizationNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_EarningsPerShareBasicAndDilutedEPSAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedEPSAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="acva_UnvestedRestrictedStockAwardAndRestrictedStockUnitsMember" abstract="true" name="UnvestedRestrictedStockAwardAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_ACVSegmentMember" abstract="true" name="ACVSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="acva_MarketplaceOperationsExpense" abstract="false" name="MarketplaceOperationsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="acva_MichaelWatermanMember" abstract="true" name="MichaelWatermanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
