<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-04-27</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001690820</issuerCik>
        <issuerName>CARVANA CO.</issuerName>
        <issuerTradingSymbol>CVNA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001700542</rptOwnerCik>
            <rptOwnerName>KEETON RYAN S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARVANA CO.</rptOwnerStreet1>
            <rptOwnerStreet2>4020 E. INDIAN SCHOOL ROAD</rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85018</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Brand Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F1"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.88</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.88</value>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F3"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.81</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F4"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.00</value>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Keeton was granted 500,000 Class B common units (&quot;Class B Units&quot;) of Carvana Group, LLC (&quot;Carvana Group&quot;) on March 24, 2015 with a participation threshold of $0.00; 125,000 vested on the grant date and 8,333 vest on the first of each month beginning April 1, 2015.</footnote>
        <footnote id="F2">Mr. Keeton was granted 100,000 Class B Units on March 24, 2015 with a participation threshold of $4.88; 20,000 vested on March 1, 2016 and 1,666 vest on the first of each month thereafter.</footnote>
        <footnote id="F3">Mr. Keeton was granted 30,000 Class B Units on January 29, 2016 with a participation threshold of $4.88; 6,000 vested on March 1, 2016 and 500 vest on the first of each month thereafter.</footnote>
        <footnote id="F4">Mr. Keeton was granted 25,000 Class B Units on October 21, 2016 with a participation threshold of $5.81; 5,000 vested on January 1, 2017 and 416 vest on the first of each month thereafter.</footnote>
        <footnote id="F5">Mr. Keeton was granted 75,000 Class B Units on April 27, 2017 with a participation threshold of $15.00; 15,000 will vest on February 1, 2018 and 1,250 will vest on the first of each month thereafter.</footnote>
        <footnote id="F6">Pursuant to the Exchange Agreement, dated April 27, 2017, by and among the Issuer, Carvana Co. Sub LLC, Carvana Group and the members of Carvana Group, Class B Units are exchangeable for a number of shares of the Issuer's Class A Common Stock equal to the Class A Common Stock share value less the applicable participation threshold multiplied by 0.8 times the number of Class B Units being exchanged, divided by the Class A Common Stock share value.</footnote>
    </footnotes>

    <remarks>Exhibit List: Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Paul Breaux, by Power of Attorney for Ryan S. Keeton</signatureName>
        <signatureDate>2017-04-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
