What to ask a private seller before you buy a used car

(AOL AUTOS) -- Buying a brand new car with a complete, free, factory warranty is one thing. Buying a certified used car from a dealership is usually a worry-free proposition, too. But buying a used car from someone you don't know is another thing entirely.

As a cautious, prudent buyer of a used vehicle, there are important questions you should ask before you finalize any used-car deal.

Before you start asking questions about the car, make sure you are looking at the 'right' car for you. Is this right style, in the right color, wit