GMC Sierra 2500HD (2016) is 349 mm (13.74 inch) longer, 180 mm (7.09 inch) wider, 166 mm (6.54 inch) higher and has 1283 liters (45.31 ft3) bigger cargo space than Toyota HiLux (2015).
Toyota HiLux (2015) is 973 kg (2,145 lbs) lighter than GMC Sierra 2500HD (2016).