BMW i3 (2015) is 1524 kg (3,360 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 1983 mm (78.07 inch) longer, 303 mm (11.93 inch) wider, 446 mm (17.56 inch) higher and has 1467 liters (51.81 ft3) bigger cargo space than BMW i3 (2015).