GMC Yukon (2021) is 665 mm (26.18 inch) longer, 114 mm (4.49 inch) wider and has 1389 liters (49.05 ft3) bigger cargo space than Mercedes G-Class (2019).
Mercedes G-Class (2019) is 26 mm (1.02 inch) higher and 22 kg (49 lbs) lighter than GMC Yukon (2021).