BMW 6 Series Gran Turismo (2018) is 785 kg (1,731 lbs) lighter than Mercedes GL-Class (2017).
Mercedes GL-Class (2017) is 56 mm (2.20 inch) longer, 96 mm (3.78 inch) wider, 311 mm (12.24 inch) higher and has 71 liters (2.51 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).