Audi R8 (2019) is 89 mm (3.50 inch) wider and 225 kg (496 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 453 mm (17.83 inch) longer, 203 mm (7.99 inch) higher and has 314 liters (11.09 ft3) bigger cargo space than Audi R8 (2019).