Acura RDX (2015) is 261 mm (10.28 inch) higher, 89 kg (196 lbs) lighter and has 219 liters (7.73 ft3) bigger cargo space than Mercedes CLS-Class (2015).
Mercedes CLS-Class (2015) is 280 mm (11.02 inch) longer and 10 mm (0.39 inch) wider than Acura RDX (2015).