Car prices and purchases

I hope I'm in the right place with this question. ​ And I'll soon be finishing my master's degree and will have a job starting in October where I'll get 3.3k net. Of this, €1,000 should go towards my retirement provision, €800 for any large purchases and the rest as fixed costs. ​ I'm currently driving my father's old car that I was given as a gift. But this one is slowly giving up the ghost. Now the question arises about a new car. However, I'm not a fan of financing (