GMC Yukon XL (2014) is 309 mm (12.17 inch) longer, 89 mm (3.50 inch) wider, 132 mm (5.20 inch) higher and has 1012 liters (35.74 ft3) bigger cargo space than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 536 kg (1,182 lbs) lighter than GMC Yukon XL (2014).