Audi Q8 (2018) is 102 mm (4.02 inch) wider, 295 mm (11.61 inch) higher and has 464 liters (16.39 ft3) bigger cargo space than Mercedes S-Class Coupe (2020).
Mercedes S-Class Coupe (2020) is 27 mm (1.06 inch) longer and 225 kg (496 lbs) lighter than Audi Q8 (2018).