The 2014 Lamborghini Aventador is available as a 2-door, 2-seat coupe. Starting at $397,500, the 2014 Lamborghini Aventador LP700-4 Coupe is powered by a 6.5L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 11-mpg in the city and 18-mpg on the highway. The top of the line 2014 Lamborghini Aventador LP720-4 50th Anniversario Roadster, priced at $548,800, is powered by a 6.5L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 11-mpg in the city and 17-mpg on the highway.