The 2019 BMW M240 is available as a 2-door, 4-seat coupe. Starting at $45,800, the 2019 BMW M240 RWD Coupe is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 30-mpg on the highway. The top of the line 2019BMWM240AWD Convertible , priced at $ 52,400 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 30-mpg on the highway.