BMW 3 Series Gran Turismo (2021) is 92 mm (3.62 inch) higher, 195 kg (430 lbs) lighter and has 1 liters (0.04 ft3) bigger cargo space than Mercedes CLS-Class (2014).
Mercedes CLS-Class (2014) is 114 mm (4.49 inch) longer and 53 mm (2.09 inch) wider than BMW 3 Series Gran Turismo (2021).