BMW i8 (2015) is 1358 kg (2,994 lbs) lighter than GMC Sierra 2500HD (2014).
GMC Sierra 2500HD (2014) is 1026 mm (40.39 inch) longer, 90 mm (3.54 inch) wider, 676 mm (26.61 inch) higher and has 1564 liters (55.23 ft3) bigger cargo space than BMW i8 (2015).
