Top 6 Online Tools to Compare NADA Private Party and Dealer Rates Understanding the true value of a vehicle is essential whether you’re buying, selling, or trading in. Comparing NADA private party and dealer rates helps you navigate pricing disparities that can amount to thousands of dollars. Private party transactions typically yield 10–25% more than dealer trade-ins but require more effort and market knowledge. This guide reviews six leading online valuation platforms—Kelley Blue Book, …