GMC Sierra 2500HD (2016) is 673 mm (26.50 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 1013 kg (2,233 lbs) lighter than GMC Sierra 2500HD (2016).