GMC Sierra 2500HD (2017) is 821 mm (32.32 inch) longer, 578 mm (22.76 inch) higher and has 1178 liters (41.60 ft3) bigger cargo space than Mercedes E-Class (2016).
Mercedes E-Class (2016) is 36 mm (1.42 inch) wider and 781 kg (1,722 lbs) lighter than GMC Sierra 2500HD (2017).