Combined or yet Golf7 GTI /i30N

Hello, I’m about 30 years old and I’m an electronics technician. I’ve been working at my current employer since last year, I’m still in an open-ended employment contract. I’ve been driving my old Audi A3 8L for a few years now, he’s been doing me good services for the years, but slowly the mistakes, the chassis is causing problems, although many things have been exchanged. Now I’m looking for a solution to get a new mobile kit. And on the market there are different ways to pay for such a thing In the moment about 10,000 euros on the savings account to next year with Christmas money and premium 15,000 euros. To the car: Combi (passat class) – i30N or Golf 7 GTI from 130 kW equipment should be i30N level. I drive about 50 km to work (back and forth). I come about 15tkm a year. I earn an average of 2200 euros net as salary, this often varies up to 3000 euros, if I overtime or overtime. My rent, including incidental costs and internet and television, is 400 euros per month. In addition, 160 to 200 euros for food. If I set my maintenance at a flat rate of 900 to 1000 euros is generous in any case. What kind of purchase of a vehicle can you recommend to me?