The 2009 Aston Martin V8 Vantage is available as a 2-door, 2-seat coupe. Starting at $117,400, the 2009 Aston Martin V8 Vantage Coupe is powered by a 4.7L , 8 -cylinder engine mated to a manual transmission that returns an EPA estimated 12-mpg in the city and 19-mpg on the highway. The top of the line 2009Aston MartinV8 VantageRoadster , priced at $ 130,400 , is powered by a 4.7L , 8 - cylinder engine mated to a manual transmission that returns an EPA estimated 12-mpg in the city and 19-mpg on the highway.