The 2019 BMW M5 is available as a 4-door, 5-seat sedan. Starting at $102,700, the 2019 BMW M5 Base is powered by a 4.4L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway. The top of the line 2019BMWM5Competition , priced at $ 110,000 , is powered by a 4.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway.