BMW 8 Series (G15) (2020) is 1377 mm (54.21 inch) longer, 282 mm (11.10 inch) wider and has 224 liters (7.91 ft3) bigger cargo space than Citroen C1 (2014).
Citroen C1 (2014) is 127 mm (5.00 inch) higher and 868 kg (1,914 lbs) lighter than BMW 8 Series (G15) (2020).