How are the amounts in the Kelly Blue Book figured and who figures them?

Answer by  Amber40 (24961)

Well it used to be a single lot who everyone agreed had the closest prices. Nowadays the use information from nationwide car sales as a basis for prices. The are a few other guides out there, like the NADA guide, that are also used for vehicle values.

Answer by  mem4dr (1378)

They usually use mathematical formulas that take into account initial value and depreciation rate - the depreciation rate can vary greatly by make/model. Usually a team of people skilled in math do these calculations. There are several competitors with Kelly Blue Book - look online to find them.

Answer by  Amber40 (24961)

Most of them are based on current selling prices of similar vehicles while other are based on research. There a few other price guides commonly used such as N.A.D.A.'s.