The 2007 Aston Martin V8 Vantage is available as a 2-door, 2-seat coupe. Starting at $110,600, the 2007 Aston Martin V8 Vantage Coupe is powered by a 4.3L, 8-cylinder engine mated to a manual transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway. The top of the line 2007 Aston Martin V8 Vantage Roadster, priced at $123,800, is powered by a 4.3L, 8-cylinder engine mated to a manual transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway.