BMW 3 Series Gran Turismo (2014) is 186 mm (7.32 inch) longer and 783 kg (1,726 lbs) lighter than Mercedes GLB-Class (2020).
Mercedes GLB-Class (2020) is 6 mm (0.24 inch) wider, 151 mm (5.94 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2014).