BMW 1 Series (2014) is 658 kg (1,451 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 980 mm (38.58 inch) longer, 172 mm (6.77 inch) wider, 408 mm (16.06 inch) higher and has 800 liters (28.25 ft3) bigger cargo space than BMW 1 Series (2014).