McLaren 600LT (2019) is 10 mm (0.39 inch) wider and 800 kg (1,764 lbs) lighter than Mercedes X-Class (2018).
Mercedes X-Class (2018) is 735 mm (28.94 inch) longer, 623 mm (24.53 inch) higher and has 1010 liters (35.67 ft3) bigger cargo space than McLaren 600LT (2019).