GMC Yukon XL (2014) is 1515 mm (59.65 inch) longer, 192 mm (7.56 inch) wider, 648 mm (25.51 inch) higher and has 1837 liters (64.87 ft3) bigger cargo space than Mercedes SLK-Class (2014).
Mercedes SLK-Class (2014) is 1239 kg (2,732 lbs) lighter than GMC Yukon XL (2014).