5 Best Used Car Websites in USA

4. Kelley Blue Book

Total Site Visits as of April 26, 2024: 24,900,000

Kelley Blue Book is a vehicle valuation, automotive research, and used car selling company. The platform releases market-reflective car value lists that include Blue Book Trade-in Values and price advisor tools to help customers estimate the budget for their cars. If you want to sell your car for instant cash, the platform offers transection-ready instant cash offers. Cox Automotive Inc. owns it, and it ranks 4th on our list of best used car websites in USA.