GMC Sierra 2500HD (2018) is 1029 mm (40.51 inch) longer, 140 mm (5.51 inch) wider, 607 mm (23.90 inch) higher and has 1403 liters (49.55 ft3) bigger cargo space than Nissan GT-R (2016).
Nissan GT-R (2016) is 789 kg (1,739 lbs) lighter than GMC Sierra 2500HD (2018).