Audi R8 (2014) is 84 mm (3.31 inch) wider and 15 kg (33 lbs) lighter than Mercedes E-Class (Coupe) (2020).
Mercedes E-Class (Coupe) (2020) is 399 mm (15.71 inch) longer, 187 mm (7.36 inch) higher and has 326 liters (11.51 ft3) bigger cargo space than Audi R8 (2014).