GMC Yukon XL (2014) is 885 mm (34.84 inch) longer, 142 mm (5.59 inch) wider and has 1685 liters (59.50 ft3) bigger cargo space than Mercedes G-Class (2014).
Mercedes G-Class (2014) is 3 mm (0.12 inch) higher and 99 kg (218 lbs) lighter than GMC Yukon XL (2014).