GMC Sierra 2500HD (2015) is 1843 mm (72.56 inch) longer, 270 mm (10.63 inch) wider, 703 mm (27.68 inch) higher and has 1484 liters (52.41 ft3) bigger cargo space than Toyota GT86 (2017).
Toyota GT86 (2017) is 374 kg (825 lbs) lighter than GMC Sierra 2500HD (2015).
