Here is the full list of all 27 Epic Car Factory achievements.
Finish the game.
License all bodies.
Obtain all car parts in the game.
Research all chassis types.
Research all tire types.
Research all engine types.
Move in the third factory.
Develop the Pikarus 31.
Develop the Tarball P50.
Develop the Tank.
Move in the second factory.
Tune a part to the maximum level.
Develop 10 cars.
Win a race.
Fire a worker.
Reach the first place in the list of companies.
Reach the top 5 in the list of companies.
Win all awards in one car awards show.
Lose all your money but then come back above zero.
Level up a worker to the maximum level of one profession.
Do a successful contract job.
Fail a contract job.
Win an award in the yearly car awards show.
Level up a worker for the first time.
Tune a part for the first time.
Train a worker for the first time.
Develop your first car.