BMW 6 Series Gran Turismo (2020) is 326 mm (12.83 inch) longer, 35 mm (1.38 inch) wider, 800 kg (1,764 lbs) lighter and has 122 liters (4.31 ft3) bigger cargo space than Mercedes G-Class (2014).
Mercedes G-Class (2014) is 415 mm (16.34 inch) higher than BMW 6 Series Gran Turismo (2020).