GMC Sierra 2500HD (2014) is 409 mm (16.10 inch) longer, 3 mm (0.12 inch) wider, 44 mm (1.73 inch) higher and has 305 liters (10.77 ft3) bigger cargo space than Nissan Armada (2019).
Nissan Armada (2019) is 389 kg (858 lbs) lighter than GMC Sierra 2500HD (2014).