BMW 6 Series Gran Turismo (2019) is 1624 mm (63.94 inch) longer, 282 mm (11.10 inch) wider, 71 mm (2.80 inch) higher and has 413 liters (14.58 ft3) bigger cargo space than Citroen C1 (2014).
Citroen C1 (2014) is 839 kg (1,850 lbs) lighter than BMW 6 Series Gran Turismo (2019).