Acura RLX (2019) is 346 mm (13.62 inch) longer, 80 mm (3.15 inch) wider, 57 mm (2.24 inch) higher and has 66 liters (2.33 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2020).
Mercedes C-Class (Coupe) (2020) is 254 kg (560 lbs) lighter than Acura RLX (2019).