FIAT 500L Trekking (2020) is 1528 kg (3,369 lbs) lighter than GMC Sierra 2500HD (2014).
GMC Sierra 2500HD (2014) is 1363 mm (53.66 inch) longer, 259 mm (10.20 inch) wider, 300 mm (11.81 inch) higher and has 1306 liters (46.12 ft3) bigger cargo space than FIAT 500L Trekking (2020).