GMC Yukon XL (2017) is 89 mm (3.50 inch) wider, 67 mm (2.64 inch) higher and has 1817 liters (64.17 ft3) bigger cargo space than Mercedes GLS-Class (2020).
Mercedes GLS-Class (2020) is 156 mm (6.14 inch) longer and 261 kg (575 lbs) lighter than GMC Yukon XL (2017).