GMC Yukon XL (2015) is 757 mm (29.80 inch) longer, 163 mm (6.42 inch) wider, 473 mm (18.62 inch) higher and has 1652 liters (58.34 ft3) bigger cargo space than Mercedes CLS-Class (2017).
Mercedes CLS-Class (2017) is 3912 kg (8,624 lbs) lighter than GMC Yukon XL (2015).