Exhibit 31.1





I, Susan B. Sheffield, certify that:



| | 1. | I have reviewed this report on Form 10-K and all reports on
                                         Form 10-D required to be filed in respect of the period covered by this report on Form
                                         10-K of AmeriCredit Automobile Receivables Trust 2014-3 (the “Exchange Act periodic
                                         reports”);
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| | 2. | Based on my knowledge, the Exchange Act periodic reports,
                                         taken as a whole, do not contain any untrue statement of a material fact or omit to state
                                         a material fact necessary to make the statements made, in light of the circumstances
                                         under which such statements were made, not misleading with respect to the period covered
                                         by this report;
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| | 3. | Based on my knowledge, all of the distribution, servicing
                                         and other information required to be provided under Form 10-D for the period covered
                                         by this report is included in the Exchange Act periodic reports;
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| | 4. | Based on my knowledge and the servicer compliance statement
                                         required in this report under Item 1123 of Regulation AB, and except as disclosed in
                                         the Exchange Act periodic reports, the servicer has fulfilled its obligations under the
                                         servicing agreements in all material respects; and
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| | 5. | All of the reports on assessment of compliance with servicing
                                         criteria for asset-backed securities and their related attestation reports on assessment
                                         of compliance with servicing criteria for asset-backed securities required to be included
                                         in this report in accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18
                                         and 15d-18 have been included as an exhibit to this report, except as otherwise disclosed
                                         in this report. Any material instances of noncompliance described in such reports have
                                         been disclosed in this report on Form 10-K.
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In giving the certifications above, I have reasonably relied
on information provided to me by the following unaffiliated parties: Citibank, N.A.





|By:    | /s/ Susan B. Sheffield                               | 
|------ | ---------------------------------------------------- | 
|Name:  | Susan B. Sheffield                                   | 
|Title: | Executive Vice President and Chief Financial Officer | 
|Date:  | March 8, 2019                                        |