This places it ahead of other established global manufacturers, including Alfa Romeo, Dacia, Honda, Lexus, Mazda and Seat.
In September alone, Citroen sold 5,825 new cars, compared to 2,368 at the same time last year, marking an incredible 136 per cent rise.
The reaction to the 2CV Concept could indicate that motorists are turning to smaller, city cars, compared to the trend of larger, SUV-type vehicles.
Fiat has debuted the new Multiplina – a 3.04-metre electric quadricycle, which embodies the brand’s “vision for the future of micromobility”.