Does Kelley Blue Book show accurate values?

Yes. Kelley Blue Book understands the importance of providing pricing that is geographically relevant to consumers and dealers. In order to better meet the needs of the industry, we produce values based on 134 geographic regions in the US. Each region is analyzed individually to reflect local pricing and local economic conditions.

https://www.reddit.com/r/personalfinance/comments/3m0pzw/is_kelley_blue_book_accurate/

How accurate are Kelley Blue Book values?

Are Kelley Blue Book values and prices accurate and reliable? Not accurate, or at least, not as accurate as it’s given credit for. KBB values and pricing rely on seller data which often does not reflect live up to date market demands for a motorcycle, atv, utv, car, or truck.

https://www.cashcarsbuyer.com/edmunds-vs-kelley-blue-book/

How accurate is Kelley Blue Book?

While KBB’s values are considered relatively accurate, they aren’t perfect, as they don’t account for lag time, customer bias, and divergent data sets. Lag time Data doesn’t always move quickly through KBB’s system, so prices may not always reflect the latest consumer tendencies and market trends. Customer bias

https://prietoautomotive.com/are-kelley-blue-book-prices-accurate/

Are Kelley Blue Book values accurate and reliable?

The Kelley Blue Book—and its equally popular website—is one of the most trusted guides for automobile pricing, used by those who are buying or selling cars. Worst of all, occasionally people will do nefarious things so that their Carfax report doesn't show accurate information.

https://www.medicalitour.com/1lsxzp9j/is-carfax-value-accurate.html