GMC Yukon (2020) is 415 mm (16.34 inch) longer, 178 mm (7.01 inch) wider, 43 kg (95 lbs) lighter and has 1144 liters (40.40 ft3) bigger cargo space than Mercedes G-Class (2015).
Mercedes G-Class (2015) is 64 mm (2.52 inch) higher than GMC Yukon (2020).