GMC Sierra 3500HD (2020) is 973 mm (38.31 inch) longer, 116 mm (4.57 inch) wider, 262 mm (10.31 inch) higher and has 1455 liters (51.38 ft3) bigger cargo space than Nissan Pathfinder (2018).
Nissan Pathfinder (2018) is 798 kg (1,759 lbs) lighter than GMC Sierra 3500HD (2020).