GMC Sierra 2500HD (2014) is 505 mm (19.88 inch) longer, 3 mm (0.12 inch) wider, 13 mm (0.51 inch) higher and has 1183 liters (41.78 ft3) bigger cargo space than Toyota Sequoia (2016).
Toyota Sequoia (2016) is 196 kg (432 lbs) lighter than GMC Sierra 2500HD (2014).