The 2015 Audi R8 is a 2-door, 2-seat Coupe, available in 13 trims, ranging from the 4.2 (M6) quattro Coupe to the 5.2 Carbon (S tronic) quattro Spyder. Upon introduction, the $115,900 4.2 (M6) quattro Coupe is equipped with a standard 4.2L, 8-cylinder, engine that achieves 11-mpg in the city and 20-mpg on the highway. A Manual transmission is standard. The $199,600 5.2 Carbon (S tronic) quattro Spyder is equipped with a standard 5.2L, 10-cylinder, engine that achieves 13-mpg in the city and 22-mpg on the highway. An Automatic transmission is standard.