GMC Sierra 3500HD (2020) is 1138 mm (44.80 inch) longer, 151 mm (5.94 inch) wider, 214 mm (8.43 inch) higher and has 659 liters (23.27 ft3) bigger cargo space than Toyota 4Runner (2015).
Toyota 4Runner (2015) is 590 kg (1,301 lbs) lighter than GMC Sierra 3500HD (2020).