I can't vote for any, as in the end it's truly your decision. The first two have long term viability, as you can stick in your current career, or you can try a new one. Maybe you should keep the current one, keep training when and while you can, and progress with very minimal debt.
The car, well that's just an awesome car, but should you be putting all your savings into a vehicle? Not unless it's going to literally "get" you somewhere as employment.