Bien venue, welcome, I have gleaned this information off the internet regarding year of make and model for all the CITROEN 2CVs, so if there are some errors please inform me, thanks, I hope  you as a Citroen 2cv lover will get much pleasure out of learning more about these most unique little French cars as I have done.. o add your text.
1948..This year was the  release of the first very distinctive Citroen 2CV  to the French public.
1951-1953   No changes.xt.
1954..The oval on the bonnet disappears and only the CITROEN chevrons are left, and the speedometer gets a welcome light so one may see it when night drivingone may see it at nighto add your text.
1955..A new Citroen 2CV appears on the scene. I t is the AZ model, with  a much bigger 425cc engine and developing 12hp with a top speed of 49mph..text.
THIS IS A NEW ZEALAND SITE.
1949  This was 2CV model 1950..no changes
1977, Here is the list of all models of 2CV CITROEN:
BERLINE  2CV4 SPECIAL
BERLINE 2CV4
BERLINE 2CV6
1978..No changes.r text.
1979.. The 2CV6 gets new square headlights. the Citroen 2cv4 is discontinued and the 2CVSPECIAL  gets the third side screen, and keeps the round more popular headlights. The 2CV6 also gets improved power performance through a double choke carburetor to 29hpr text.
1980 ...The 2CV SPECIAL gets the 602cc engine and all 2cv's get a 6.5 gallon fuel tank instead of the previous 5,25 your text.
1981..A new 2CV called the Charleston is introduced and now only 5000 are made.There is new carburation adjustment and a rear view mirror, 29hp, top speed 71mph.
1982.. THE CHARLESTON was a great success and has  continued to be so today, now it gets chrome headklights and different upholstery. All CITROEN 2CV'S get front disc brakes at last.
1983   New seat belts for all cars your text.
1984...A special  2CV edition, the white 2CV with blue stripes, called FRANCE 3, TRANSAT, or BEACHCOMBER.
1985-1990...No changes.The very last of these most fascinating little cars, the  CITROEN 2CVs was produced in July 1990 in a plant in PORTUGAL
VERY EARLY 2CV SEATS!
GET THE ONE ONLY HEADLITE IN THE FIRST 2CV MODELS, MOST ODD