Citroen C6 (2014) is 890 kg (1,962 lbs) lighter than GMC Yukon XL (2017).
GMC Yukon XL (2017) is 269 mm (10.59 inch) longer, 186 mm (7.32 inch) wider, 427 mm (16.81 inch) higher and has 1751 liters (61.84 ft3) bigger cargo space than Citroen C6 (2014).