The 2018 Bentley Continental GT is available as a 2-door, 4-seat convertible. Starting at $236,100, the 2018 Bentley Continental GT W12 is powered by a 6.0L , 0 -cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 20-mpg on the highway. The top of the line 2018BentleyContinental GTV8 S , priced at $ 231,800 , is powered by a 4.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 24-mpg on the highway.