GMC Sierra 2500HD (2020) is 1007 mm (39.65 inch) longer, 193 mm (7.60 inch) wider, 554 mm (21.81 inch) higher and has 1362 liters (48.10 ft3) bigger cargo space than Toyota Mirai (2021).
Toyota Mirai (2021) is 921 kg (2,030 lbs) lighter than GMC Sierra 2500HD (2020).
