McLaren GT (2020) is 175 mm (6.89 inch) wider and 587 kg (1,294 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 656 mm (25.83 inch) longer, 605 mm (23.82 inch) higher and has 740 liters (26.13 ft3) bigger cargo space than McLaren GT (2020).