The 2016 BMW M4 is a 2-door, 4-seat Coupe, available in 3 trims, ranging from the Base (M6) Coupe to the GTS (A7) Coupe. Upon introduction, the $65,700 Base (M6) Coupe is equipped with a standard 3.0L, 6-cylinder, engine that achieves 17-mpg in the city and 26-mpg on the highway. a Manual transmission is standard. The $133,205 GTS (A7) Coupe is equipped with a standard 3.0L, 6-cylinder, engine that achieves 16-mpg in the city and 23-mpg on the highway. an Automatic transmission is standard.