GMC Sierra 2500HD (2017) is 674 mm (26.54 inch) longer, 138 mm (5.43 inch) wider, 562 mm (22.13 inch) higher and has 1318 liters (46.54 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 654 kg (1,442 lbs) lighter than GMC Sierra 2500HD (2017).