FIAT 500X (2016) is 595 kg (1,312 lbs) lighter than GMC Sierra 1500 (2021).
GMC Sierra 1500 (2021) is 973 mm (38.31 inch) longer, 236 mm (9.29 inch) wider, 267 mm (10.51 inch) higher and has 1378 liters (48.66 ft3) bigger cargo space than FIAT 500X (2016).