Two SUVs with some similarities, but otherwise different in most aspects such as the starting price, horsepower, ground shadow size, height, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Infiniti QX80, which is $35,450 less than the base MSRP of the 2015 BMW X5 M. Also, the 2015 X5 M pulls more horsepower than the 2016 QX80. In addition, the X5 M is both slightly smaller and shorter than the QX80. And finally, the Infiniti QX80 seats two more passengers than the BMW X5 M. Among similarities are the body structure, market segment, and fuel economy.