FIAT 500e (2016) is 1362 kg (3,003 lbs) lighter than GMC Sierra 3500HD (2017).
GMC Sierra 3500HD (2017) is 2082 mm (81.97 inch) longer, 407 mm (16.02 inch) wider, 450 mm (17.72 inch) higher and has 1793 liters (63.32 ft3) bigger cargo space than FIAT 500e (2016).