Mercedes GL-Class (2015) is 768 mm (30.24 inch) longer, 138 mm (5.43 inch) wider, 558 mm (21.97 inch) higher and has 495 liters (17.48 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 951 kg (2,097 lbs) lighter than Mercedes GL-Class (2015).