The 2019 BMW X4 is available as a 4-door, 5-seat sport utility. Starting at $50,450, the 2019 BMW X4 xDrive30i is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 29-mpg on the highway. The top of the line 2019 BMW X4 M40i, priced at $60,450, is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway.