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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-02-10</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001580608</issuerCik>
        <issuerName>Santander Consumer USA Holdings Inc.</issuerName>
        <issuerTradingSymbol>SC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597540</rptOwnerCik>
            <rptOwnerName>Centerbridge Associates II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597534</rptOwnerCik>
            <rptOwnerName>Centerbridge GP Investors II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597541</rptOwnerCik>
            <rptOwnerName>CCP II AIV I, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597542</rptOwnerCik>
            <rptOwnerName>Sponsor Auto Finance Super Holdings, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001425800</rptOwnerCik>
            <rptOwnerName>Aronson Jeffrey</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001426126</rptOwnerCik>
            <rptOwnerName>Gallogly Mark T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CENTERBRIDGE PARTNERS, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>375 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</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, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2015-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>407381</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.77</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.7143 to $20.8070, inclusive. The reporting person undertakes to provide to Santander Consumer USA Holdings Inc., any security holder of Santander Consumer USA Holdings Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F2">Sponsor Auto Finance Holdings Series LP (&quot;Sponsor Holdings LP&quot;) directly holds all of the shares of common stock of Santander Consumer USA Holdings Inc. reported herein. Sponsor Auto Finance GP LLC (&quot;Sponsor GP&quot;) is the general partner of Sponsor Holdings LP.</footnote>
        <footnote id="F3">Sponsor Auto Finance Super Holdings, LLC may be deemed to indirectly beneficially own these shares of common stock by virtue of its interests in Sponsor GP and Sponsor Holdings LP. The managing member of Sponsor Auto Finance Super Holdings, LLC is CCP II AIV I, L.P., and the sole general partner of CCP II AIV I, L.P. is Centerbridge Associates II, L.P. The sole general partner of Centerbridge Associates II, L.P. is Centerbridge GP Investors II, LLC. The managing members of Centerbridge GP Investors II, LLC are Jeffrey H. Aronson and Mark T. Gallogly.</footnote>
        <footnote id="F4">Each of the Reporting Persons, Sponsor GP and each of the other entities or persons described herein as having interests in Sponsor Holdings LP disclaims beneficial ownership of the securities reported herein, except to the extent of such person or entity's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, such persons or entities are the beneficial owners of any securities reported herein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>SPONSOR AUTO FINANCE SUPER HOLDINGS, LLC By: CCP II AIV I, L.P. By:   Centerbridge Associates II, L.P.; By: Centerbridge GP Investors II, LLC By: /s/ Mark T. Gallogly, Name: Mark T. Gallogly, Title: Authorized Signatory</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CCP II AIV I, L.P. By:   Centerbridge Associates II, L.P. By: Centerbridge GP Investors II, LLC By: /s/ Mark T. Gallogly, Name: Mark T. Gallogly, Title: Authorized Signatory</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE   ASSOCIATES II, L.P. By: Centerbridge GP Investors II, LLC By: /s/ Mark T. Gallogly, Name: Mark T. Gallogly, Title: Authorized Signatory</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE GP INVESTORS II, LLC, By: /s/ Mark T. Gallogly, Name: Mark T. Gallogly, Title: Authorized Signatory</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>JEFFREY H. ARONSON, By: /s/ Jeffrey H. Aronson</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MARK T. GALLOGLY, By: /s/ Mark T. Gallogly</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
