The 2016 Buick Envision is available as a 4-door, 5-seat sport utility. Starting at $44,710, the 2016 Buick Envision II is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 26-mpg on the highway. The top of the line 2016 Buick Envision I, priced at $42,070, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 26-mpg on the highway.