I personally don't think that you should buy that vehicle unless you know its in very good shape , was taken care of , plus I'd want it certified and checked out by a reliable non bias mechanic.
Hope that helps and best of luck.By the way I've owned a few of those cars and I do like them if they've been well maintained.I do suggest that you buy a book called The Lemonade book and it's a great eye opener for people interested in buying either a used or new vehicle.