GMC Yukon XL (2016) is 1566 mm (61.65 inch) longer, 228 mm (8.98 inch) wider, 587 mm (23.11 inch) higher and has 1837 liters (64.87 ft3) bigger cargo space than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 1033 kg (2,277 lbs) lighter than GMC Yukon XL (2016).