BMW 3 Series Touring (2018) is 5 mm (0.20 inch) longer and 764 kg (1,684 lbs) lighter than Mercedes GLB-Class (2020).
Mercedes GLB-Class (2020) is 23 mm (0.91 inch) wider, 230 mm (9.06 inch) higher and has 75 liters (2.65 ft3) bigger cargo space than BMW 3 Series Touring (2018).