FIAT Panda (2014) is 975 kg (2,150 lbs) lighter than GMC Sierra 1500 (2014).
GMC Sierra 1500 (2014) is 1568 mm (61.73 inch) longer, 389 mm (15.31 inch) wider, 316 mm (12.44 inch) higher and has 1503 liters (53.08 ft3) bigger cargo space than FIAT Panda (2014).