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