GMC Sierra 3500HD (2015) is 881 mm (34.69 inch) longer, 100 mm (3.94 inch) wider, 111 mm (4.37 inch) higher and has 1301 liters (45.94 ft3) bigger cargo space than Mercedes GLE-Class (2016).
Mercedes GLE-Class (2016) is 553 kg (1,219 lbs) lighter than GMC Sierra 3500HD (2015).