Two SUVs with some similarities, but otherwise different in most aspects such as the fuel economy, model year, market segment, starting price, ground shadow size, and maximum occupancy. First of all, there is a $10,900 difference in the base MSRP. The 2014 BMW X6 M, an older vehicle by two model years, has a higher starting price than the 2016 Tesla Model X. Also, you get 75 more mpg with the 2014 X6 M than with the 2016 Model X. In addition, the X6 M is slightly smaller than the Model X. And then, there is a difference in the number of passengers; the Tesla Model X seats one more the BMW X6 M. Among similarities are the body structure, market segment, and height.