BMW 4 Series (2014) is 573 kg (1,263 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 702 mm (27.64 inch) longer, 95 mm (3.74 inch) wider, 457 mm (17.99 inch) higher and has 715 liters (25.25 ft3) bigger cargo space than BMW 4 Series (2014).