GMC Yukon (2018) is 633 mm (24.92 inch) longer, 106 mm (4.17 inch) wider, 601 mm (23.66 inch) higher and has 1281 liters (45.24 ft3) bigger cargo space than Mercedes AMG GT (2016).
Mercedes AMG GT (2016) is 838 kg (1,847 lbs) lighter than GMC Yukon (2018).