BMW 8 Series (G16) (2019) is 56 mm (2.20 inch) longer, 35 mm (1.38 inch) wider, 56 kg (123 lbs) lighter and has 40 liters (1.41 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 7 mm (0.28 inch) higher than BMW 8 Series (G16) (2019).