Audi R8 (2015) is 77 mm (3.03 inch) wider and 960 kg (2,116 lbs) lighter than Mercedes G-Class (2015).
Mercedes G-Class (2015) is 319 mm (12.56 inch) longer, 709 mm (27.91 inch) higher and has 388 liters (13.70 ft3) bigger cargo space than Audi R8 (2015).