FIAT 500L Cross (2018) is 1325 kg (2,921 lbs) lighter than GMC Sierra 3500HD (2018).
GMC Sierra 3500HD (2018) is 1347 mm (53.03 inch) longer, 255 mm (10.04 inch) wider, 317 mm (12.48 inch) higher and has 1579 liters (55.76 ft3) bigger cargo space than FIAT 500L Cross (2018).