BMW i3 (2015) is 1273 kg (2,806 lbs) lighter than Mercedes GLB-Class (2020).
Mercedes GLB-Class (2020) is 639 mm (25.16 inch) longer, 59 mm (2.32 inch) wider, 81 mm (3.19 inch) higher and has 310 liters (10.95 ft3) bigger cargo space than BMW i3 (2015).