The 2020 BMW X5 M is available as a 4-door, 5-seat sport utility. Starting at $105,100, the 2020 BMW X5 M Base is powered by a 4.4L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 18-mpg on the highway. The top of the line 2020BMWX5 MCompetition , priced at $ 114,100 , is powered by a 4.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 18-mpg on the highway.