Exhibit 99.1

December 31, 2004

To the Addresses listed on Schedule I hereto.

Ladies and Gentlemen:

This Annual Statement as to Compliance is delivered to you pursuant to Section 4.10 (a) of the Sale and Servicing Agreement dated as of June 9, 2004 (the “Agreement”) and pursuant to Section 3.9 of the Indenture Agreement dated as of June 9, 2004 (the “Indenture), executed in connection with the formation of AmeriCredit Automobile Receivables Trust 2004-1 (the “Trust”), the issuance of the Notes by the Trust and the closing of the transactions and the execution and delivery of the various documents by AmeriCredit Corp., AmeriCredit Financial Services, Inc. (the “Servicer”) and AFS SenSub Corp. in connection therewith. The capitalized terms used herein shall have the same meanings as in the Agreement.

The undersigned certifies that I am the Executive Vice President, Chief Financial Officer and Treasurer of the Servicer. I further certify as follows:

1. I have conducted, or caused to be conducted under my supervision, a review of the Servicer during the preceding period from June 9, 2004 through December 31, 2004, and its performance under the

Agreement.

2. To the best of my knowledge, following such review, the Servicer has fulfilled all its obligations under the Agreement throughout such period, and , to the best of my knowledge, there has been no default in the fulfillment of any such obligation.

AmeriCredit Financial Services, Inc.

By:	/s/ Chris A. Choate	Dated: January 26, 2005
	Chris A. Choate
	Executive Vice President,
	Chief Financial Officer and Treasurer

Schedule I


Trustee, Trust Collateral Agent
	and Backup Servicer:

	JPMorgan Chase Bank
	Global Debt/Asset Backed Securities
	4 New York Plaza, 6^th Floor
	New York, NY 10004
	Attention: Aranka Paul

Backup Servicer:

	Systems & Services Technologies, Inc.
	4315 Pickett Road
	St. Joseph, Missouri 64503
	Attention: Alice Derr

Owner Trustee:

	Wilmington Trust Company
	Rodney Square North
	1100 North Market Street
	Wilmington, DE 19890-0001
	Attention: Steve Barone

Rating Agencies:

	Moody’s Investors Service, Inc.
	99 Church Street
	New York, NY 10007
	Attention: ABS Monitoring Department

	Standard & Poor’s Rating Services
	55 Water Street
	40^th Floor
	New York, NY 10041
	Attention: Asset Backed Surveillance Department

AmeriCredit Automobile Receivables Trust 2004-1 10-K