The 2019 BMW M4 is available as a 2-door, 4-seat coupe. Starting at $69,150, the 2019 BMW M4 Base (M6) Coupe is powered by a 3.0L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 25-mpg on the highway. The top of the line 2019BMWM4Convertible , priced at $ 77,650 , is powered by a 3.0L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway.