Depot/leasing

Hello, I have 2 options and can't decide. Unfortunately I need a new car and have 2 options. To me: 15,000€ equity in Etf etc. Current car worth a maximum of 2500€ when sold. I would actually like to buy an EV, but the new ones are still too expensive for me and leasing for 15,000km a year is currently a bit too expensive for me. From October onwards there will also be a distance learning course, which would cost me around €350 per month. With my studies I have around €1100 in fixed costs (excluding food