McLaren GT (2020) is 139 mm (5.47 inch) wider, 874 kg (1,927 lbs) lighter and has 65 liters (2.30 ft3) bigger cargo space than Mercedes GLS-Class (2020).
Mercedes GLS-Class (2020) is 651 mm (25.63 inch) longer and 609 mm (23.98 inch) higher than McLaren GT (2020).