Car Sales Software for Independent & Franchised Car Dealers. From purchase to sale, our car sales software helps you do it all. Keep track of your cars all the way from purchasing to selling with our Dragon. DMS system and its one point of data entry. It couldn’t be easier to create a used car record on the system, just simply use our VRM tool to populate the required fields. Once the car has been entered on to the system, you can check the valuation and margin on your car, advertise it with images and videos, and keep a log of any sales activity as well as much, much more.