BMW 3 Series Gran Turismo (2019) is 1358 mm (53.46 inch) longer, 208 mm (8.19 inch) wider, 40 mm (1.57 inch) higher and has 324 liters (11.44 ft3) bigger cargo space than Citroen C1 (2020).
Citroen C1 (2020) is 779 kg (1,717 lbs) lighter than BMW 3 Series Gran Turismo (2019).