Used? New? What's the difference?

2012 Ford Focus

 
There's an interesting article from USA Today that found that the gap between new and slightly used car prices has narrowed.  The article, based on a Kelley Blue Book study, reported that the window between new and used car prices has shrunk for particular models. The article points out how a new 2012 Toyota FJ Cruiser, which costs $28,500 or about  $244 more than a used one.  Or a new 2012 Ford Focus is priced $3,000 on average less than last year's model.