GMC Sierra 3500HD (2015) is 1405 mm (55.31 inch) longer, 43 mm (1.69 inch) higher and has 1106 liters (39.06 ft3) bigger cargo space than Nissan Titan (2020).
Nissan Titan (2020) is 15 mm (0.59 inch) wider and 71 kg (157 lbs) lighter than GMC Sierra 3500HD (2015).
