GMC Sierra 2500HD (2014) is 15 mm (0.59 inch) longer and 79 mm (3.11 inch) higher than GMC Yukon XL (2016).
GMC Yukon XL (2016) is 13 mm (0.51 inch) wider, 430 kg (948 lbs) lighter and has 454 liters (16.03 ft3) bigger cargo space than GMC Sierra 2500HD (2014).
