GMC Yukon XL (2021) is 1174 mm (46.22 inch) longer, 118 mm (4.65 inch) wider, 654 mm (25.75 inch) higher and has 2306 liters (81.44 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 910 kg (2,006 lbs) lighter than GMC Yukon XL (2021).