BMW i3 (2015) is 1359 kg (2,996 lbs) lighter than GMC Sierra 2500HD (2018).
GMC Sierra 2500HD (2018) is 1701 mm (66.97 inch) longer, 260 mm (10.24 inch) wider, 398 mm (15.67 inch) higher and has 1458 liters (51.49 ft3) bigger cargo space than BMW i3 (2015).