GMC Sierra 3500HD (2016) is 1029 mm (40.51 inch) longer, 130 mm (5.12 inch) wider, 122 mm (4.80 inch) higher and has 1201 liters (42.41 ft3) bigger cargo space than Toyota FJ Cruiser (2020).
Toyota FJ Cruiser (2020) is 729 kg (1,607 lbs) lighter than GMC Sierra 3500HD (2016).