BMW 8 Series (G14) (2018) is 235 kg (518 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 497 mm (19.57 inch) longer, 18 mm (0.71 inch) wider, 480 mm (18.90 inch) higher and has 810 liters (28.60 ft3) bigger cargo space than BMW 8 Series (G14) (2018).