Edmunds.com A fantastic guide to new & used cars, certified pre-owned cars, car reivews, tips and advice, forums, selected road tests, maintenance guide, and plenty more.

Kelly Blue Book New car pricing, used car values, motorcycle, personal watercraft, snowmobile values, reviews & ratings, advice.

NADA Guides Get a value for your automobile, classic car, manufactured home, recreational vehicle, boats, motorcycles.

Automotive.com New and used car pricing, top fuel-efficient vehicles, search for parts & accessories, car reviews, gas prices and more.

Motor Trend Online magazine contains buyer's guides, road tests, features, future vehicles, auto shows, forums.

LeaseSource Avoid paying the dealer too much for your lease vehicle, use their lease wizard and arm yourself with market data. Lease your car through this source.

Car and Driver Prominent online car magazine with buyer's guides, features that contain auto shows, comparison tests, car news, road tests, etc. Also has a special section with the best of...

Automobile Buyer's Guides from Yahoo! Links to most all sources of information for automobile buying guides.

AutoSite A good source for automotive research. Has previews, reviews, pictures, videos, forums.