BMW 3 Series Gran Turismo (2021) is 305 mm (12.01 inch) longer, 59 mm (2.32 inch) wider, 69 mm (2.72 inch) higher and has 101 liters (3.57 ft3) bigger cargo space than Honda Civic (2020).
Honda Civic (2020) is 292 kg (644 lbs) lighter than BMW 3 Series Gran Turismo (2021).
