The 2017 Lamborghini Aventador is available as a 2-door, 2-seat coupe. Starting at $399,500, the 2017 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 2017LamborghiniAventadorLP740-4S Coupe , priced at $ 00 , is powered by a 6.5L , 12 - cylinder engine mated to an automatic transmission that returns an EPA estimated 10-mpg in the city and 16-mpg on the highway.