GMC Sierra 3500HD (2017) is 880 mm (34.65 inch) longer, 100 mm (3.94 inch) wider, 137 mm (5.39 inch) higher and has 1301 liters (45.94 ft3) bigger cargo space than Mercedes GLE-Class (2018).
Mercedes GLE-Class (2018) is 564 kg (1,243 lbs) lighter than GMC Sierra 3500HD (2017).