<SEC-DOCUMENT>0001104659-21-101570.txt : 20210806
<SEC-HEADER>0001104659-21-101570.hdr.sgml : 20210806
<ACCEPTANCE-DATETIME>20210806172134
ACCESSION NUMBER:		0001104659-21-101570
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210805
FILED AS OF DATE:		20210806
DATE AS OF CHANGE:		20210806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GATES WILLIAM H III
		CENTRAL INDEX KEY:			0000902012

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13107
		FILM NUMBER:		211153903

	MAIL ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CASCADE INVESTMENT, L.L.C.
		CENTRAL INDEX KEY:			0001052192
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13107
		FILM NUMBER:		211153904

	BUSINESS ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033
		BUSINESS PHONE:		4258897900

	MAIL ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033

	FORMER NAME:	
		FORMER CONFORMED NAME:	CASCADE INVESTMENT LLC
		DATE OF NAME CHANGE:	19980102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AUTONATION, INC.
		CENTRAL INDEX KEY:			0000350698
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
		IRS NUMBER:				731105145
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 SW 1ST AVE
		STREET 2:		SUITE 1600
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33301
		BUSINESS PHONE:		9547696000

	MAIL ADDRESS:	
		STREET 1:		200 SW 1ST AVE
		STREET 2:		SUITE 1600
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AUTONATION, INC. /FL
		DATE OF NAME CHANGE:	20090827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AutoNation, Inc. /FL
		DATE OF NAME CHANGE:	20090827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AUTONATION INC /FL
		DATE OF NAME CHANGE:	19990407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000350698</issuerCik>
        <issuerName>AUTONATION, INC.</issuerName>
        <issuerTradingSymbol>AN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001052192</rptOwnerCik>
            <rptOwnerName>CASCADE INVESTMENT, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2365 CARILLON POINT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KIRKLAND</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98033</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000902012</rptOwnerCik>
            <rptOwnerName>GATES WILLIAM H III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2365 CARILLON POINT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KIRKLAND</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98033</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3332063</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12158211</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Cascade Investment, L.L.C. transferred to Melinda French Gates 3,332,063 shares of the Issuer's common stock in a private transaction, for no consideration, on August 5, 2021.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Cascade Investment, L.L.C. by /s/ Alan Heuberger, Attorney-in-fact for Michael Larson, Business Manager</signatureName>
        <signatureDate>2021-08-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>William H. Gates III by /s/ Alan Heuberger, Attorney-in-fact</signatureName>
        <signatureDate>2021-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
