Automobiles

Automotive.com - "The web's ultimate automotive resource for both new and used cars."
AutoTrader.com - Find out all you need to know to buy your next car, especially if you are looking for a used car. You can search for over 600,000 cars online and listings are updated daily. You can check out car reviews and ratings from respected sources like Consumers Digest, Car and Driver, Road & Track and car prices from the Kelley Blue Book. You can even register to receive automatic notifications of safety and recall information. Financial calculators allow you to figure out loan payments.
California Driver Handbooks - From the California Department of Motor Vehicles, this site has the text of the Driver Handbook as well as the Motorcycle Handbook, Mature Drivers Handbook, and the Recreational Vehicles and Trailers Handbook. Sample driver tests are available as well.
CARS - Vehicle and Equipment Information - From the National Highway Traffic Safety Administration, this site has databases of safety problems, recalls, defect investigations, manufacturers' technical service bulletins, etc.
Edmunds.com - Edmund's was the first site on the Internet to provide automobile pricing information at no cost. Edmund's also provides extensive automobile reviews, consumer information, information about incentives and rebates, expert analysis of late-breaking developments in the automotive world.
Kelley Blue Book - New Car Pricing, Bluebook Values - The information you need to make informed choices, whether you are buying a new or used car; selling or trading in your own car. Includes online finance quotes, insurance quotes and new car reviews. For the US automotive market only.
Fuel Economy Guide - Published by the U.S. Department of Energy as an aid to consumers considering the purchase of a new vehicle. The Guide lists estimates of miles per gallon (mpg) for each vehicle available for the new model year. These estimates are provided by the U.S. Environmental Protection Agency in compliance with Federal Law.
NADAguides.com - From the National Automobile Dealers Association, this site claims to be "America's largest publisher of used vehicle values." Has new car prices as well as used car pricing for 1981 to 1999 and classic car pricing for 1930 to 2000.