The 2018 Buick Encore is available as a 4-door, 5-seat sport utility. Starting at $22,990, the 2018 Buick Encore Base FWD is powered by a 1.4L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 33-mpg on the highway. The top of the line 2018BuickEncorePremium AWD , priced at $ 32,100 , is powered by a 1.4L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 30-mpg on the highway.