Citroen C1 (2014) is 1034 kg (2,280 lbs) lighter than GMC Sierra 1500 (2015).
GMC Sierra 1500 (2015) is 1755 mm (69.09 inch) longer, 412 mm (16.22 inch) wider, 399 mm (15.71 inch) higher and has 1532 liters (54.10 ft3) bigger cargo space than Citroen C1 (2014).