BMW 6 Series Gran Turismo (2019) is 30 mm (1.18 inch) wider, 122 mm (4.80 inch) higher, 425 kg (937 lbs) lighter and has 119 liters (4.20 ft3) bigger cargo space than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 5 mm (0.20 inch) longer than BMW 6 Series Gran Turismo (2019).