The 2019 BMW X6 is available as a 4-door, 5-seat sport utility. Starting at $65,850, the 2019 BMW X6 xDrive35i AWD is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway. The top of the line 2019 BMW X6 4x2, priced at $63,550, is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.