GMC Sierra 3500HD (2018) is 1009 mm (39.72 inch) longer, 140 mm (5.51 inch) wider, 607 mm (23.90 inch) higher and has 1676 liters (59.19 ft3) bigger cargo space than Nissan GT-R (2017).
Nissan GT-R (2017) is 990 kg (2,183 lbs) lighter than GMC Sierra 3500HD (2018).