GMC Yukon (2014) is 461 mm (18.15 inch) longer, 76 mm (2.99 inch) wider, 1196 kg (2,637 lbs) lighter and has 1040 liters (36.73 ft3) bigger cargo space than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 16 mm (0.63 inch) higher than GMC Yukon (2014).