<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                         Date of Report: August 14, 2000

                 AmeriCredit Automobile Receivables Trust 2000-A
             (Exact Name of Registrant as specified in its charter)

         United States                 333-36365                88-6079139
         -------------                 ---------                ----------
 (State or Other Jurisdiction  (Commission File Number)      (I.R.S. Employer
       of Incorporation)                                  Identification Number)

                            c/o AmeriCredit Financial
                                 Services, Inc.
                           Attention: Daniel E. Berce
                          801 Cherry Street, Suite 3900
                              Fort Worth, TX 76102
                              (Address of Principal
                                Executive Office)

                                 (817) 302-7000
                            Registrant's phone number

<PAGE>

Item 5.        Other Events

         Information relating to distributions to Noteholders for the July 2000
         Collection Period of the Registrant in respect of the Class A-1 Asset
         Backed Notes, Class A-2 Asset Backed Notes, and Class A-3 Asset Backed
         Notes, and A-4 Asset Backed Notes (collectively, the "Notes") issued by
         the Registrant. The performance of the Receivables held by the
         Registrant, together with certain other information relating to the
         Notes, is contained in the Preliminary Servicer's Certificate and the
         Servicer's Certificate for the referenced Collection Period. Both of
         which Certificates are provided to Noteholders pursuant to the Sale
         and Servicing Agreement dated as of October 13, 1999 between the
         Registrant, AFS Funding Corp., as Seller, AmeriCredit Financial
         Services, Inc., as Servicer, and Bank One, N.A., as Backup Servicer
         and Trust Collateral Agent (the "Agreement").

Item 7.           Financial Statements, Exhibits

<TABLE>
<CAPTION>
         Exhibit No.      Exhibit
         -----------      -------
         <S>              <C>
              99.1        Preliminary Servicer's Certificate and Servicer's Certificate for the July
                          2000 Collection Period relating to the Notes issued by the Registrant
                          pursuant to the Agreement.

</TABLE>

<PAGE>

                                    SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

AmeriCredit Automobile Receivables Trust 2000-A


By:  AmeriCredit Financial Services, Inc., as Servicer




/s/      Daniel E. Berce
         Daniel E. Berce
         Vice Chairman and
         Chief Financial Officer


August 14, 2000


<PAGE>

                                  EXHIBIT INDEX

<TABLE>
<CAPTION>

Exhibit
-------
<S>                        <C>
99.1                       Preliminary Servicer's Certificate and Servicer's
                           Certificate for the July 2000 Collection Period
                           relating to the Notes issued by the Registrant.

</TABLE>