Audi R8 (2018) is 46 mm (1.81 inch) wider and 295 kg (650 lbs) lighter than Mercedes S-Class Coupe (2020).
Mercedes S-Class Coupe (2020) is 600 mm (23.62 inch) longer, 174 mm (6.85 inch) higher and has 174 liters (6.14 ft3) bigger cargo space than Audi R8 (2018).