FIAT 500 (2018) is 1679 kg (3,702 lbs) lighter than GMC Sierra 3500HD (2014).
GMC Sierra 3500HD (2014) is 2279 mm (89.72 inch) longer, 405 mm (15.94 inch) wider, 491 mm (19.33 inch) higher and has 1806 liters (63.78 ft3) bigger cargo space than FIAT 500 (2018).