The 2018 Aston Martin DB11 is available as a 2-door, 4-seat coupe. Starting at $216,495, the 2018 Aston Martin DB11 V12 2dr Coupe is powered by a 5.2L , 12 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway. The top of the line 2018Aston MartinDB11V8 2dr Coupe , priced at $ 198,995 , is powered by a 4.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.