BMW 3 Series Touring (2018) is 1177 mm (46.34 inch) longer, 191 mm (7.52 inch) wider and has 299 liters (10.56 ft3) bigger cargo space than Citroen C1 (2020).
Citroen C1 (2020) is 39 mm (1.54 inch) higher and 798 kg (1,759 lbs) lighter than BMW 3 Series Touring (2018).