The 2017 Buick Envision is available as a 4-door, 5-seat sport utility. Starting at $39,570, the 2017 Buick Envision Essence AWD is powered by a 2.5L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway. The top of the line 2017BuickEnvisionBase FWD , priced at $ 34,065 , is powered by a 2.5L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 29-mpg on the highway.