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