I mean, you can get any car to last forever, it's just a question of being economically reasonable. My mum still has a 2004 Land Rover Discovery 3, one of the original ones with a 4.4L V8, and that car has a half a million kilometers(300k miles) on the clock now. Everything works, inside and out, I drove it at motorway speeds last month and it still felt super stable. And these cars have a terrible reputation for essentially ruining their owners and the electrical systems going haywire. The secret? My mum spending an equivalent of anywhere between 2000-5000 euro a year(!!!) on servicing and repairs to keep it in tip top shape. The car is probably worth only 5k, maybe 8k at a push. It doesn't make any logical sense, but it can be done.

Maintaining a fiat car in Italy is very cheap.