BMW 7 Series (2017) is 358 kg (789 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 242 mm (9.53 inch) longer, 18 mm (0.71 inch) wider, 341 mm (13.43 inch) higher and has 645 liters (22.78 ft3) bigger cargo space than BMW 7 Series (2017).