The 2010 Aston Martin DBS is available as a 2-door, 2-seat coupe. Starting at $273,000, the 2010 Aston Martin DBS Coupe is powered by a 6.0L , 12 -cylinder engine mated to a manual transmission that returns an EPA estimated 11-mpg in the city and 17-mpg on the highway. The top of the line 2010Aston MartinDBSConvertible , priced at $ 286,500 , is powered by a 6.0L , 12 - cylinder engine mated to a manual transmission that returns an EPA estimated 11-mpg in the city and 17-mpg on the highway.