Availability is not a concern when it comes to buying a used car. In Detroit used cars of every make, model and brand imaginable are available. As a matter of fact, back in 2011 there were more than 17,500 auto dealership franchises that were registered. Even if that number were to come down due to economic difficulties, there would still be hundreds of car dealerships in every state: http://www.cars807.tk/search?updated-max=2014-06-07T01:53:00-07:00&max-results=1