Audi R8 (2019) is 83 mm (3.27 inch) wider than Mercedes E-Class (Coupe) (2020).
Mercedes E-Class (Coupe) (2020) is 418 mm (16.46 inch) longer, 192 mm (7.56 inch) higher, 5 kg (11 lbs) lighter and has 199 liters (7.03 ft3) bigger cargo space than Audi R8 (2019).