The 2019 Lamborghini Aventador S is available as a 2-door, 2-seat coupe. Starting at $417,826, the 2019 Lamborghini Aventador S Coupe is powered by a 6.5L , 12 -cylinder engine mated to an automatic transmission that returns an EPA estimated 9-mpg in the city and 15-mpg on the highway. The top of the line 2019LamborghiniAventador SRoadster , priced at $ 460,422 , is powered by a 6.5L , 12 - cylinder engine mated to an automatic transmission that returns an EPA estimated 9-mpg in the city and 15-mpg on the highway.