GMC Sierra 2500HD (2016) is 820 mm (32.28 inch) longer, 181 mm (7.13 inch) wider, 533 mm (20.98 inch) higher and has 1178 liters (41.60 ft3) bigger cargo space than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 1083 kg (2,388 lbs) lighter than GMC Sierra 2500HD (2016).