The 2017 Aston Martin V12 Vantage S is available as a 2-door, 2-seat coupe. Starting at $186,195, the 2017 Aston Martin V12 Vantage S Coupe is powered by a 6.0L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 18-mpg on the highway. The top of the line 2017 Aston Martin V12 Vantage S Roadster, priced at $200,695, is powered by a 6.0L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 18-mpg on the highway.