One problem related to gasoline engine has been reported for the 2004 Buick Rendezvous. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Buick Rendezvous based on all problems reported for the 2004 Rendezvous.
Gas mileage- sticker listing is 18/28 for 2004 Buick Rendezvous. Has 7800 miles. Vehicle has never exceeded 18 mph even at highway driving. Dealer has checked several times, has done a road test and came up with 17. 4 mixed highway driving. They state that is what to expect.