FIAT 500X (2018) is 564 kg (1,243 lbs) lighter than GMC Sierra 1500 (2019).
GMC Sierra 1500 (2019) is 957 mm (37.68 inch) longer, 236 mm (9.29 inch) wider, 272 mm (10.71 inch) higher and has 1378 liters (48.66 ft3) bigger cargo space than FIAT 500X (2018).