Kelley determines Blue Book values by analyzing pricing information from real-world used car prices, as well as industry developments, economic conditions, and location.For used vehicles some of them include: Trade-in value, typical listing price, fair purchasing price (CPO), and private party. Kelley assesses a wide array of different values to both used and new vehicles.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.
