FIAT 500L Trekking (2020) is 1214 kg (2,676 lbs) lighter than GMC Sierra 2500HD (2017).
GMC Sierra 2500HD (2017) is 1348 mm (53.07 inch) longer, 262 mm (10.31 inch) wider, 307 mm (12.09 inch) higher and has 1306 liters (46.12 ft3) bigger cargo space than FIAT 500L Trekking (2020).