Citroen C6 (2017) is 935 kg (2,061 lbs) lighter than GMC Sierra 2500HD (2019).
GMC Sierra 2500HD (2019) is 790 mm (31.10 inch) longer, 176 mm (6.93 inch) wider, 513 mm (20.20 inch) higher and has 1306 liters (46.12 ft3) bigger cargo space than Citroen C6 (2017).
