THE GOOD

The 2015 BMW X5 M combines an extraordinarily capable suspension system with a powerful engine, leading to serious sports performance. A new detection system warns the driver of pedestrians and bicyclists on dark streets, and a surround-view camera system helps with parking lot maneuvers.

THE BAD

Fuel economy averages in the mid-teens. The firm ride can take a toll even with the suspension in Comfort mode.
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https://www.cnet.com/roadshow/reviews/2015-bmw-x5-m-review/