BMW 7 Series (2018) is 298 kg (657 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 646 liters (22.81 ft3) bigger cargo space than BMW 7 Series (2018).