BMW 8 Series (G14) (2019) is 157 mm (6.18 inch) longer and 92 mm (3.62 inch) wider than Mercedes C-Class (Coupe) (2020).
Mercedes C-Class (Coupe) (2020) is 70 mm (2.76 inch) higher, 373 kg (822 lbs) lighter and has 6 liters (0.21 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
