The 2005 Buick Rendezvous is available as a 4-door, 5-seat sport utility. Starting at $26,780, the 2005 Buick Rendezvous CX FWD is powered by a 3.4L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2005BuickRendezvousCXL AWD , priced at $ 29,970 , is powered by a 3.4L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.