BMW 4 Series (2016) is 573 kg (1,263 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 642 mm (25.28 inch) longer, 50 mm (1.97 inch) wider, 436 mm (17.17 inch) higher and has 715 liters (25.25 ft3) bigger cargo space than BMW 4 Series (2016).