The 2008 Buick Enclave is available as a 4-door, 7-seat sport utility. Starting at $33,220, the 2008 Buick Enclave CX FWD is powered by a 3.6L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway. The top of the line 2008 Buick Enclave CXL AWD, priced at $37,455, is powered by a 3.6L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.