Shopping for a used car can be a time consuming process. Going through newspapers and local classifieds is rarely advantageous when it comes to getting a reliable used auto and a good price. The internet offers many resources to used car buyers, and we've researched most of them, and found the following companies offer the biggest selection of both private party used cars for sale, and dealer certified pre-owned vehicles (CPO) for sale. The advantage to using these types of services is that you can see all of the vehicle's information, and easily contact the sellers.
| Company | Inventory | Information | Convenience |
|---|---|---|---|
| UsedCars.com |  | | |
| TrueCar | | | |
| CarsDirect | | | |
| Web 2 Carz |  | | |
| OldCarOnline.com |  | | |
All brand names used on this website other than Car-Inc.com, are used without any claim to the trademark, copyright, special relationship and/or other rights of the owners of such names.