BMW 8 Series (G16) (2019) is 12 mm (0.47 inch) wider and 264 kg (582 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 258 mm (10.16 inch) longer, 412 mm (16.22 inch) higher and has 720 liters (25.43 ft3) bigger cargo space than BMW 8 Series (G16) (2019).