Acura RDX (2015) is 526 mm (20.71 inch) longer, 55 mm (2.17 inch) wider, 375 mm (14.76 inch) higher and has 404 liters (14.27 ft3) bigger cargo space than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 231 kg (509 lbs) lighter than Acura RDX (2015).