GMC Sierra 2500HD (2016) is 855 mm (33.66 inch) longer, 110 mm (4.33 inch) wider, 160 mm (6.30 inch) higher and has 407 liters (14.37 ft3) bigger cargo space than Toyota 4Runner (2018).
Toyota 4Runner (2018) is 784 kg (1,728 lbs) lighter than GMC Sierra 2500HD (2016).