FIAT 500L (2020) is 537 kg (1,184 lbs) lighter than GMC Sierra 1500 (2021).
GMC Sierra 1500 (2021) is 992 mm (39.06 inch) longer, 259 mm (10.20 inch) wider, 198 mm (7.80 inch) higher and has 1530 liters (54.03 ft3) bigger cargo space than FIAT 500L (2020).