BMW 5 Series (2018) is 443 kg (977 lbs) lighter than Mercedes X-Class (2018).
Mercedes X-Class (2018) is 397 mm (15.63 inch) longer, 53 mm (2.09 inch) wider, 320 mm (12.60 inch) higher and has 591 liters (20.87 ft3) bigger cargo space than BMW 5 Series (2018).