As of 2015, Kelley Blue Book does not have price information for any vehicles manufactured before 1992. However, prospective buyers and sellers can find classic car values using a similar service, NADA Guides.
The NADA Guides website functions similarly to Kelley Blue Book. First, select the make of a car, and then select the year. NADA then provides an extensive list of models produced that fit the select criteria. After entering details about the car's amenities, NADA provides a price estimate.
NADA only offers information about cars manufactured since 1926. However, a professional appraiser can provide appraisals for cars built in 1925 or earlier.