GMC Sierra 3500HD (2016) is 821 mm (32.32 inch) longer, 181 mm (7.13 inch) wider, 508 mm (20.00 inch) higher and has 1451 liters (51.24 ft3) bigger cargo space than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 819 kg (1,806 lbs) lighter than GMC Sierra 3500HD (2016).