GMC Sierra 3500HD (2016) is 674 mm (26.54 inch) longer, 138 mm (5.43 inch) wider, 537 mm (21.14 inch) higher and has 1591 liters (56.19 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 749 kg (1,651 lbs) lighter than GMC Sierra 3500HD (2016).