Acura RLX (2015) is 690 mm (27.17 inch) longer, 110 mm (4.33 inch) wider, 32 mm (1.26 inch) higher and has 81 liters (2.86 ft3) bigger cargo space than Mercedes A-Class (2019).
Mercedes A-Class (2019) is 389 kg (858 lbs) lighter than Acura RLX (2015).