FIAT 500e (2015) is 1417 kg (3,124 lbs) lighter than GMC Sierra 3500HD (2020).
GMC Sierra 3500HD (2020) is 2365 mm (93.11 inch) longer, 448 mm (17.64 inch) wider, 503 mm (19.80 inch) higher and has 1772 liters (62.58 ft3) bigger cargo space than FIAT 500e (2015).