The BMW X5 and Lexus RX are two of the most popular luxury crossover SUVs in the US,

and they square off in this comparison. For well over a decade, the Lexus RX has been a best-seller. 

 It is still, by far, the best-selling model in the midsize luxury SUV market class.

The X5, a midsize luxury SUV that is half a size bigger than the RX, is the second best-selling model.

Although the BMW X5 and Lexus RX are both five-passenger cars, they place very different 

 The X5, which bills itself as a "sports activity vehicle," has agile driving features.