There are times when we know exactly what we want, and other times when we don't. You should be able to choose from a variety of makes and models at a used car Greensboro dealership. If not by style, at least by model year and price range, even specialty stores selling specific brands should offer a variety of inventory.
The dealership's website is a good place to start. If their dealership is proud of their used car inventory, they will typically link to it at the top of their page. Then you should be able to narrow down your search in an organized manner with a concise breakdown of makes, models, years, etc. You should be able to see plenty of pictures and get detailed information about the car's condition, features, and specifications from the website. This can be the point you start your used car search with.