GMC Sierra 2500HD (2020) is 1311 mm (51.61 inch) longer, 173 mm (6.81 inch) wider, 195 mm (7.68 inch) higher and has 937 liters (33.09 ft3) bigger cargo space than Toyota FJ Cruiser (2020).
Toyota FJ Cruiser (2020) is 799 kg (1,761 lbs) lighter than GMC Sierra 2500HD (2020).