BMW 4 Series (2020) is 558 kg (1,230 lbs) lighter than Mercedes X-Class (2020).
Mercedes X-Class (2020) is 572 mm (22.52 inch) longer, 68 mm (2.68 inch) wider, 436 mm (17.17 inch) higher and has 720 liters (25.43 ft3) bigger cargo space than BMW 4 Series (2020).