FIAT 500 (2015) is 2023 kg (4,460 lbs) lighter than GMC Sierra 2500HD (2016).
GMC Sierra 2500HD (2016) is 2149 mm (84.61 inch) longer, 408 mm (16.06 inch) wider, 488 mm (19.21 inch) higher and has 1533 liters (54.14 ft3) bigger cargo space than FIAT 500 (2015).