GMC Sierra 2500HD (2014) is 836 mm (32.91 inch) longer, 178 mm (7.01 inch) wider, 526 mm (20.71 inch) higher and has 1178 liters (41.60 ft3) bigger cargo space than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 1038 kg (2,288 lbs) lighter than GMC Sierra 2500HD (2014).