McLaren 650S Coupe (2015) is 137 mm (5.39 inch) wider and 977 kg (2,154 lbs) lighter than Mercedes GLS-Class (2021).
Mercedes GLS-Class (2021) is 823 mm (32.40 inch) longer, 620 mm (24.41 inch) higher and has 211 liters (7.45 ft3) bigger cargo space than McLaren 650S Coupe (2015).