GMC Sierra 3500HD (2019) is 1239 mm (48.78 inch) longer, 120 mm (4.72 inch) wider, 174 mm (6.85 inch) higher and has 527 liters (18.61 ft3) bigger cargo space than Toyota 4Runner (2016).
Toyota 4Runner (2016) is 734 kg (1,618 lbs) lighter than GMC Sierra 3500HD (2019).