GMC Sierra 2500HD (2019) is 33 mm (1.30 inch) higher than GMC Yukon XL (2021).
GMC Yukon XL (2021) is 20 mm (0.79 inch) longer, 22 mm (0.87 inch) wider, 196 kg (432 lbs) lighter and has 929 liters (32.81 ft3) bigger cargo space than GMC Sierra 2500HD (2019).
