BMW 5 Series (2014) is 1533 mm (60.35 inch) longer, 280 mm (11.02 inch) wider, 92 mm (3.62 inch) higher and has 243 liters (8.58 ft3) bigger cargo space than Citroen C1 (2020).
Citroen C1 (2020) is 844 kg (1,861 lbs) lighter than BMW 5 Series (2014).