BMW 3 Series Gran Turismo (2021) is 876 mm (34.49 inch) longer, 114 mm (4.49 inch) wider, 51 mm (2.01 inch) higher and has 236 liters (8.33 ft3) bigger cargo space than Citroen DS3 (2014).
Citroen DS3 (2014) is 435 kg (959 lbs) lighter than BMW 3 Series Gran Turismo (2021).