McLaren 675LT Coupe (2016) is 97 mm (3.82 inch) wider and 1222 kg (2,694 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 600 mm (23.62 inch) longer, 662 mm (26.06 inch) higher and has 485 liters (17.13 ft3) bigger cargo space than McLaren 675LT Coupe (2016).