GMC Yukon XL (2014) is 709 mm (27.91 inch) longer, 127 mm (5.00 inch) wider, 534 mm (21.02 inch) higher and has 1652 liters (58.34 ft3) bigger cargo space than Mercedes CLS-Class (2015).
Mercedes CLS-Class (2015) is 919 kg (2,026 lbs) lighter than GMC Yukon XL (2014).