GMC Sierra 1500 (2015) is 177 mm (6.97 inch) wider, 57 mm (2.24 inch) higher, 217 kg (478 lbs) lighter and has 1293 liters (45.66 ft3) bigger cargo space than Toyota HiLux (2017).
Toyota HiLux (2017) is 109 mm (4.29 inch) longer than GMC Sierra 1500 (2015).