GMC Sierra 3500HD (2018) is 520 mm (20.47 inch) longer, 87 mm (3.43 inch) higher and has 360 liters (12.71 ft3) bigger cargo space than GMC Yukon (2017).
GMC Yukon (2017) is 10 mm (0.39 inch) wider and 232 kg (511 lbs) lighter than GMC Sierra 3500HD (2018).
