The 2019 BMW X3 is available as a 4-door, 5-seat sport utility. Starting at $41,000, the 2019 BMW X3 4x2 is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 30-mpg on the highway. The top of the line 2019 BMW X3 M40i AWD, priced at $54,650, 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.