Mercedes G-Class (2015) is 386 mm (15.20 inch) longer, 7 mm (0.28 inch) wider, 662 mm (26.06 inch) higher and has 302 liters (10.66 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 966 kg (2,130 lbs) lighter than Mercedes G-Class (2015).