GMC Sierra 1500 (2021) is 195 mm (7.68 inch) longer, 135 mm (5.31 inch) wider, 453 mm (17.83 inch) higher and has 1328 liters (46.90 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 40 kg (88 lbs) lighter than GMC Sierra 1500 (2021).