Kelley Blue Book
Used Car Bluebook Values and New Car Pricing
http://www.kbb.com/

Yahoo! Autos
http://autos.yahoo.com/

NADA Appraisal Guides
Offers prices and information for new and used cars, trucks, motorcycles, SUVs, boats, and RVs.
http://www.nadaguides.com

CarPrices.com
Pricing guide on new and used vehicles.
http://www.carprices.com

Microsoft CarPoint
Reviews, video gallery, ratings, and more.
http://carpoint.msn.com

Consumer Guide
http://auto.consumerguide.com/

Edmunds
http://www.edmunds.com/

Car Survey
http://www.carsurvey.org/

New Car Test Drive
http://www.nctd.com/

Internet Auto Guide
http://www.internetautoguide.com/reviews/