Without knowing what to look for, you could be unwittingly purchasing someone else’s car problem instead of your transportation solution. Volkswagen Jetta’s can be full of hidden and expensive maintenance issues. Before purchasing one, you should know what to look for, how to find it, and if it is worth the cost of fixing. Before making a decision about the purchase of a used VW Jetta, use this guideline to ensure that you are getting a safe and mechanically sound car.