FIAT 500L (2019) is 1246 kg (2,747 lbs) lighter than GMC Sierra 3500HD (2016).
GMC Sierra 3500HD (2016) is 1471 mm (57.91 inch) longer, 262 mm (10.31 inch) wider, 282 mm (11.10 inch) higher and has 1793 liters (63.32 ft3) bigger cargo space than FIAT 500L (2019).
