We reviewed the 6-cylinder 2026 BMW X5 vs. Mercedes-Benz GLE450 to compare 2 of the best RWD-based luxury SUVs. Both have their good points, but they are massively different in approach. The Porsche Cayenne, Lexus GX, Audi Q5, Acura MDX Type S, Genesis GV70, and Mercedes are others to consider. Sup...