BMW X4 (2015) is 71 mm (2.80 inch) wider, 215 mm (8.46 inch) higher and has 144 liters (5.09 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2020).
Mercedes C-Class (Coupe) (2020) is 15 mm (0.59 inch) longer and 260 kg (573 lbs) lighter than BMW X4 (2015).