My 95 Gf8 wrx only broke down once - a bad fuel pump but probably hadn't been changed in its 213000km life (when I got it) plus most likely ran dry from being run on e heaps.
Need to replace various bits, like intake hose/intercooler pipe, but like others have said not many people in NZ change/service parts and will sell a high km car saying good condition but really it's a time bomb with many parts soon to fail.
Before I got my Subaru, I had crashed my MR2 in a ditch and the local panelbeater who I got it towed to (then drove home 250m haha) was like careful, theyre likely to be thrashed etc, mr2 lads were like save up for a Headgasket etc.
I only did maybe 15,000km in the 91 MR2, faults were starting to show I.e random leaks from those long coolant pipes, I had to re torque my valve cover cos it started smoking lol, and plus I had done a 180 on a simple corner in the wet, had decent yokohama a-drive/a-drive tyres on the 14s, drove it gently and wham. I found when I was pulling it apart someone had put top hats the wrong way round iirc, and replaced one sides shocks but not the other. And tyres tyres tyres is the mantra for MR2s, I spent close to 1800 dollars on nice rays 17s and BS Potenza re003s/s001s and they drove really nice but destroyed one wheel and tyre 1000km later in said crash.
But from a technical standpoint I'd say Subies are super reliable. I never have to worry about leaving the road, only done that once when I braked way too late, they grip and grip and grip, my mid range pirellis screech long before I lose any traction, I never have to worry about the weather if I want to go for a spirited drive (except for ice/snow) unlike an mr2 where any rain or gravel is a no no, the stock brakes are better than some? comparable cars, I know a31 cefiros aren't as good.
Only had to deal with small amounts of parking outside rust, underbody and engine bay is really good as they've done a good job with rust prevention from factory.