BMW 4 Series Gran Coupe (2018) is 16 mm (0.63 inch) wider than Mercedes C-Class (Estate) (2017).
Mercedes C-Class (Estate) (2017) is 64 mm (2.52 inch) longer, 68 mm (2.68 inch) higher, 217 kg (478 lbs) lighter and has 9 liters (0.32 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2018).
