Official site for the General Motors division with new model and company information.

Site includes functional specifications, technical specifications, interior and external features, safety features, and more.

Sportscar of Opel.

Lists news, clubs, ads, and photos.

Stocks, locates, and imports Opel and Bitter parts.

Opel parts, new and used.

Consumer tips for leasing, financing, trading-in or selling a vehicle.

Features Canadian market road test reviews, press releases, buying advice, model comparisons and automotive.

Tom and Ray Magliozzi of the syndicated radio show Car Talk offer information on buying, selling, repairing and owning cars.

Car, truck, minivan reviews. Links for auto financing, buying and insurance. Detailed coverage of many makes and models.

NADA new car pricing, used car values, model comparisons, reviews and buying resources for new and used vehicles.

CARtoday magazine's guide to the buying process, with guidance on selecting a vehicle, negotiating price, financing, insurance warranties and anti theft devices.

Independent, unbiased new vehicle reviews, opinions and commentary based on test drives. Includes archive of reviews for previous model years, and reference and buying resources.

Automotive reviews, road tests and information of current model year and archived models from past years.

Auto buying and leasing advice, how to purchase vehicles and avoid common mistakes.

Directory of various car sites. Also includes in-house test drives and reviews, news, price guides, Canadian classifieds, and site reviews.

Offers prices, reviews, and specifications for new and used cars and trucks as well as information about financing and leasing.

Guide to the cleanest and most fuel-efficient vehicles available for sale in the U.S. market.

Educational website written for auto buyers. Contains dozens of articles covering all aspects of auto buying including dealer techniques and consumer tactics.

Provides consumer tips regarding insurance, buying and leasing new or used vehicles, vehicle maintenance, car buyers may download a workbook.

Guide on purchasing a vehicle. Also covers insurance and financing.

This UK site features road tests and sections to assist visitors with buying, selling, insuring or financing vehicles.

Designed to assist auto buyers. Features pricing, reviews, safety ratings, recall histories. Quote requests for car buying, insurance, loans and warranties.

Provides rated links to new and used car and truck information organized into specific topic related categories.

Automobile reviews, road tests, forums, photos and research information.

Provider of information to Continental Europe's motor industry and consumers. Features exchange values for cars, vehicle running costs and industry news.