GMC Sierra 2500HD (2014) is 385 mm (15.16 inch) longer, 177 mm (6.97 inch) wider, 159 mm (6.26 inch) higher and has 1283 liters (45.31 ft3) bigger cargo space than Toyota HiLux (2018).
Toyota HiLux (2018) is 706 kg (1,556 lbs) lighter than GMC Sierra 2500HD (2014).