GMC Yukon XL (2017) is 125 mm (4.92 inch) wider, 71 mm (2.80 inch) higher and has 1012 liters (35.74 ft3) bigger cargo space than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 161 mm (6.34 inch) longer and 548 kg (1,208 lbs) lighter than GMC Yukon XL (2017).