GMC Sierra 2500HD (2020) is 632 mm (24.88 inch) longer, 223 mm (8.78 inch) wider, 214 mm (8.43 inch) higher and has 1292 liters (45.63 ft3) bigger cargo space than Toyota HiLux (2015).
Toyota HiLux (2015) is 779 kg (1,717 lbs) lighter than GMC Sierra 2500HD (2020).