GMC Sierra 1500 (2015) is 342 mm (13.46 inch) longer, 178 mm (7.01 inch) wider, 424 mm (16.69 inch) higher and has 1188 liters (41.95 ft3) bigger cargo space than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 110 kg (243 lbs) lighter than GMC Sierra 1500 (2015).