GMC Sierra 1500 (2015) is 133 mm (5.24 inch) wider, 377 mm (14.84 inch) higher, 155 kg (342 lbs) lighter and has 1228 liters (43.37 ft3) bigger cargo space than Mercedes S-Class (2016).
Mercedes S-Class (2016) is 24 mm (0.94 inch) longer than GMC Sierra 1500 (2015).