GMC Yukon (2014) is 9 mm (0.35 inch) wider, 103 mm (4.06 inch) higher, 1308 kg (2,884 lbs) lighter and has 1027 liters (36.27 ft3) bigger cargo space than Mercedes GL-Class (2017).
Mercedes GL-Class (2017) is 16 mm (0.63 inch) longer than GMC Yukon (2014).