The 2017 Aston Martin Vanquish is available as a 2-door, 2-seat coupe. Starting at $287,650, the 2017 Aston Martin Vanquish Base Coupe is powered by a 6.0L , 12 -cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 21-mpg on the highway. The top of the line 2017Aston MartinVanquishS Convertible , priced at $ 00 , is powered by a 6.0L , 12 - cylinder engine mated to an automatic transmission that returns an EPA estimated