BMW 7 Series (2019) is 1654 mm (65.12 inch) longer, 282 mm (11.10 inch) wider and has 319 liters (11.27 ft3) bigger cargo space than Citroen C1 (2017).
Citroen C1 (2017) is 1 mm (0.04 inch) higher and 1019 kg (2,247 lbs) lighter than BMW 7 Series (2019).