That is the other thing, an 89 model is 20 years old next year. I know I am sick of my car, like for its age and cefiros in general its really tidy, has good quality mods etc. Just there is no telling yourself otherwise, its an old car, that is getting older. I live with mine as I have my 5 year plan, and selling it now doesnt work out. Make sure you can live with an old car first.
And as the others have said, buy the one that costs more, and is built up right. They are few and far between, but worth the extra dosh.