GMC Sierra 2500HD (2014) is 26 mm (1.02 inch) higher than GMC Yukon XL (2021).
GMC Yukon XL (2021) is 5 mm (0.20 inch) longer, 25 mm (0.98 inch) wider, 363 kg (800 lbs) lighter and has 938 liters (33.12 ft3) bigger cargo space than GMC Sierra 2500HD (2014).
