McLaren GT (2020) is 97 mm (3.82 inch) wider and 1009 kg (2,224 lbs) lighter than Mercedes GL-Class (2017).
Mercedes GL-Class (2017) is 462 mm (18.19 inch) longer, 636 mm (25.04 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than McLaren GT (2020).