GMC Sierra 3500HD (2016) is 490 mm (19.29 inch) longer, 6 mm (0.24 inch) wider, 23 kg (51 lbs) lighter and has 106 liters (3.74 ft3) bigger cargo space than Toyota Sequoia (2021).
Toyota Sequoia (2021) is 5 mm (0.20 inch) higher than GMC Sierra 3500HD (2016).