And of course the usual tire/brake maintenance...
Dog hair, child puke, vomit entering electrical panels, jamming seatbelt mechanisms.
Light collision damage.
Etc.
On a model that I sold I was able to get $450 approx for the snow tires. That said I didn't drive it much if I did I would have hit other maintenance windows.
Personally I would never keep a luxury or high performance car past warranty.
[1] Not only that but they are so large only certain places can even change them because of the width. Since the Porsche dealer is about an hour away I had to go to the BMW dealer to swap the summer tires at the end of the season. (There was a company that had a tire changing service that comes to you but they went out of business that was the best convenience.)
Complaining about expensive tires on a fast sports car is like complaining about the poor battery life on your 19" 4GHz laptop with discrete graphics.