Pricing Supplement Dated April 14, 2004 Rule 424(b)(3) (To Prospectus Dated October 23, 2003) File No. 333-109323 GENERAL MOTORS ACCEPTANCE CORPORATION Medium-Term Notes - Floating Rate Agent: Williams Capital Group Principal Amount: $50,000,000.00 Agent's Discount or Commission: $ 50,000.00 Net Proceeds to Company: $49,950,000.00 Initial Interest Rate: 2.06188% Issue Date: 04/16/04 Maturity Date: 04/14/06 CUSIP: 37042WH53 Calculation Agent: GMAC Interest Calculation: /X/ Regular Floating Rate Note Interest Rate Basis: / / CD Rate / / Commercial Paper Rate / / Prime Rate / / Federal Funds Rate /X/ LIBOR (see below) / / Treasury Rate / / Other (see attached) If LIBOR, Designated LIBOR Page / / Reuters Page: / / or /X/ Telerate Page: 3750 Interest Reset Dates: Each July 16, October 16, January 16 and April 16. The first interest reset date will be July 16, 2004. The final interest reset date will be January 16, 2006. Interest Payment Dates: Each July 16, October 16, January 16 and April 16, commencing July 16, 2004 and ending April 14, 2006. Index Maturity: 3 Months Spread (+/-): +0.9200% Day Count Convention: /X/ Actual/360 for the period from 04/16/04 -- 04/14/06 / / Actual/Actual for the period from / / to / / / / 30/360 for the period from / / to / / Redemption: /X/ The Notes cannot be redeemed prior to the Stated Maturity Date. / / The Notes may be redeemed prior to Stated Maturity Date. / / Initial Redemption Date: Initial Redemption Percentage: ___% Annual Redemption Percentage Reduction: ___% until Redemption Percentage is 100% of the Principal Amount. Repayment: /X/ The Notes cannot be repaid prior to the Maturity Date. / / The Notes can be repaid prior to the Maturity Date at the option of the holder of the Notes. (See Below) / / Optional Repayment Date(s): Repayment Price: % Currency: Specified Currency: U.S. (If other than U.S. dollars, see attached) Minimum Denominations: ___________ (Applicable only if Specified Currency is other than U.S. dollars) Original Issue Discount: / / Yes /X/ No Total Amount of OID: Yield to Maturity: Initial Accrual Period: Form: /X/ Book-Entry / / Certificated Other: /X/ Principal / / Agent If as principal: / / The Notes are being offered at varying prices related to prevailing market prices at the time of resale. /X/ The Notes are being offered at a fixed initial public offering price of 100% of principal amount. If as agent: The Notes are being offered at a fixed initial public offering price of XX% of principal amount.