The 2016 Buick Enclave is available as a 4-door, 7-seat sport utility. Starting at $39,065, the 2016 Buick Enclave Convenience FWD is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway. The top of the line 2016BuickEnclavePremium AWD w/1SD , priced at $ 49,515 , is powered by a 3.6L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway.