BMW 8 Series (G16) (2020) is 396 mm (15.59 inch) longer, 122 mm (4.80 inch) wider and has 84 liters (2.97 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2020).
Mercedes C-Class (Coupe) (2020) is 2 mm (0.08 inch) higher and 359 kg (791 lbs) lighter than BMW 8 Series (G16) (2020).