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 2020 BMW X5 M Competition, 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.