FIAT 500 (2020) is 1973 kg (4,350 lbs) lighter than GMC Sierra 3500HD (2019).
GMC Sierra 3500HD (2019) is 2533 mm (99.72 inch) longer, 418 mm (16.46 inch) wider, 502 mm (19.76 inch) higher and has 1653 liters (58.37 ft3) bigger cargo space than FIAT 500 (2020).