In 1951 the 2CV received an ignition lock and a lockable driver’s door. Production reached 100 cars a week.By the end of 1951 production totalled 16,288. Citroën introduced the 2CV Fourgonnette van. The “Weekend” version of the van had collapsible, removable rear seating and rear side windows, enabling a tradesman to use it as a family vehicle on the weekend as well as for business in the week.

By 1952, production had reached more than 21,000 with export markets earning foreign currency taking precedence. “Cars were sold preferentially to country vets, doctors, midwives, priests and small farmers.In 1954 the speedometer got a light for night driving.

In 1955 the 2CV side repeaters were added above and behind the rear doors. It was now also available with 425 cc (AZ), 12.5 hp and a top speed of 80 km/h (50 mph). In 1957 a heating and ventilation system was installed. The colour of the steering wheel changed from black to grey. The mirrors and the rear window were enlarged. The bonnet was decorated with a longitudinal strip of aluminium (AZL).

In September 1957, the model AZLP (P for porte de malle, “boot lid”), appeared with a boot lid panel; previously the soft top had to be opened at the bottom to get to the boot.