BMW 5 Series (2015) is 318 kg (701 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 433 mm (17.05 inch) longer, 61 mm (2.40 inch) wider, 356 mm (14.02 inch) higher and has 600 liters (21.19 ft3) bigger cargo space than BMW 5 Series (2015).