The 2019 Lamborghini Aventador S is available as a 2-door, 2-seat coupe. Starting at $417,650, the 2019 Lamborghini Aventador S Coupe is powered by a 6.5L, 12-cylinder engine mated to anautomatic transmission that returns an EPA estimated 10-mpg in the city and 17-mpg on the highway. The top of the line 2019 Lamborghini Aventador S Roadster, priced at $460,247, is powered by a 6.5L, 12-cylinder engine mated to anautomatic transmission that returns an EPA estimated 10-mpg in the city and 16-mpg on the highway.