Audi R8 (2019) is 61 mm (2.40 inch) wider and 120 kg (265 lbs) lighter than Mercedes CLS-Class (2015).
Mercedes CLS-Class (2015) is 514 mm (20.24 inch) longer, 177 mm (6.97 inch) higher and has 294 liters (10.38 ft3) bigger cargo space than Audi R8 (2019).