BMW 5 Series (2014) is 358 kg (789 lbs) lighter than Mercedes X-Class (2018).
Mercedes X-Class (2018) is 341 mm (13.43 inch) longer, 20 mm (0.79 inch) wider, 259 mm (10.20 inch) higher and has 721 liters (25.46 ft3) bigger cargo space than BMW 5 Series (2014).