FIAT 500e (2015) is 1611 kg (3,552 lbs) lighter than GMC Sierra 2500HD (2016).
GMC Sierra 2500HD (2016) is 2082 mm (81.97 inch) longer, 407 mm (16.02 inch) wider, 449 mm (17.68 inch) higher and has 1520 liters (53.68 ft3) bigger cargo space than FIAT 500e (2015).