BMW 3 Series Gran Turismo (2021) is 19 mm (0.75 inch) higher, 565 kg (1,246 lbs) lighter and has 21 liters (0.74 ft3) bigger cargo space than Mercedes S-Class (2018).
Mercedes S-Class (2018) is 419 mm (16.50 inch) longer and 70 mm (2.76 inch) wider than BMW 3 Series Gran Turismo (2021).