GMC Yukon XL (2017) is 239 mm (9.41 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 (2018).
Mercedes CLS-Class (2018) is 931 kg (2,053 lbs) lighter than GMC Yukon XL (2017).