GMC Sierra 3500HD (2020) is 652 mm (25.67 inch) longer, 221 mm (8.70 inch) wider, 220 mm (8.66 inch) higher and has 1535 liters (54.21 ft3) bigger cargo space than Toyota HiLux (2018).
Toyota HiLux (2018) is 557 kg (1,228 lbs) lighter than GMC Sierra 3500HD (2020).