GMC Sierra 2500HD (2014) is 871 mm (34.29 inch) longer, 107 mm (4.21 inch) wider, 153 mm (6.02 inch) higher and has 407 liters (14.37 ft3) bigger cargo space than Toyota 4Runner (2015).
Toyota 4Runner (2015) is 739 kg (1,629 lbs) lighter than GMC Sierra 2500HD (2014).