Audi R8 (2016) is 90 mm (3.54 inch) wider and 276 kg (608 lbs) lighter than Mercedes E-Class (Estate) (2014).
Mercedes E-Class (Estate) (2014) is 450 mm (17.72 inch) longer, 251 mm (9.88 inch) higher and has 444 liters (15.68 ft3) bigger cargo space than Audi R8 (2016).