GMC Sierra 3500HD (2016) is 1154 mm (45.43 inch) longer, 96 mm (3.78 inch) wider, 662 mm (26.06 inch) higher and has 1641 liters (57.95 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 1054 kg (2,324 lbs) lighter than GMC Sierra 3500HD (2016).