A number of different motor vehicles were marketed under the Austin A40 name by Austin between 1947 and 1967.

2-door Austin A40 Dorsets and 4-door Austin A40 Devons for the home and export markets, from about 1947 until 1952

Austin's naming scheme at that time derived from the approximate engine output, in horsepower. To distinguish between the different models, they were also named after counties of England.

The following vehicles were sold under the Austin A40 name:

  • Austin A40 Dorset
  • Austin A40 Devon
  • Austin A40 Countryman
  • Austin A40 Van
  • Austin A40 Pick-up
  • Austin A40 Tourer
  • 1953 Austin A40 Coupe Utility
  • Austin A40 Sports
  • Austin A40 Somerset
  • Austin A40 Cambridge
  • Austin A40 Farina Mk I