Audi R8 (2016) is 54 mm (2.13 inch) wider and 465 kg (1,025 lbs) lighter than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 211 mm (8.31 inch) longer, 414 mm (16.30 inch) higher and has 124 liters (4.38 ft3) bigger cargo space than Audi R8 (2016).