BMW 6 Series Gran Turismo (2019) is 286 mm (11.26 inch) longer and 355 kg (783 lbs) lighter than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 24 mm (0.94 inch) wider, 249 mm (9.80 inch) higher and has 81 liters (2.86 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2019).