5000 dollar cars.....need suggestionsS

My parents are thinking about a 5000 dollar so used car. Their sights are aimed at a Lexus and Volvos. I'm trying to find something good for them. I'm running out of ideas. So any suggestions?
Oh yeah, 4 doors. 2 doors won't work. GM and Chrysler are out of the question. Maltise era also. And here's a pic of a BMW 8 series, which you can get for 5 grand