GMC Sierra 2500HD (2018) is 1010 mm (39.76 inch) longer, 140 mm (5.51 inch) wider, 606 mm (23.86 inch) higher and has 1403 liters (49.55 ft3) bigger cargo space than Nissan GT-R (2018).
Nissan GT-R (2018) is 879 kg (1,938 lbs) lighter than GMC Sierra 2500HD (2018).