GMC Sierra 2500HD (2017) is 725 mm (28.54 inch) longer, 150 mm (5.91 inch) wider, 506 mm (19.92 inch) higher and has 1353 liters (47.78 ft3) bigger cargo space than Toyota Mirai (2021).
Toyota Mirai (2021) is 756 kg (1,667 lbs) lighter than GMC Sierra 2500HD (2017).
