AutomotiveForums.com
Over 950 forums covering most makes and models.

WaveRacer.net Forums
A community to talk about cars and post pictures.

AutomotiveSports.net
Covers a broad range of automotive sports such as Domestic, Import, Offroad and Rare/Exotic.

RacingKnowledge.org
Contains forums about domestic and imported cars, racing, and driving techniques.

CarSponsors.com
A forum to offer/seek sponsorship for cars.

Tyresmoke.net Forums
A forum for owners, enthusiasts and lovers of performance cars to discuss cars, modifications, performance, and tuners. Specializes on Audi, VW, BMW, Porsche, TVR, and Subaru.

High Altitude Imports
Features forums about car performance, security, events, AWD, RWD, and FWD cars.

Import Street Scenes
Forum is specializing on imported cars, like Honda, Nissan, Mitsubishi, and street racing.

StreetRacingForums.com
Forums to discuss local street car and race track scene, sell parts locally, meet new people, etc.

Car and Driver forums
Provided by one of the leading automotive magazines. It features discussions with experts, professional journalists, and offers a wide range of automotive related forums.

Supercars.net Community Forums
Community oriented forum about cars.

Ultimate Japanese Car Club
Forum for meetings, events, discounts for Japanese cars with over 200 bhp.

Car Forums
Offers Domestic car, Asian import, European import, classic car and SUV boards. Also contains regional forums.

Beyond Car Forums
Car discussion groups and forums for enthusiasts from around the world.

TunerCarz
Car forum for all makes and models.

SportsCarForums.com
The forum for sports car enthusiasts.

The V8 Owners Forum
A forum about anything related to V8 engines. Links database, and a classifieds section.

Autopia
Detailing enthusiast community. Discussion about car cleaning and polishing.

Cruise-Scene.com
Modified car community.

CarForumZ.com
Broad auto forums offering tech info, reviews, photo galleries and videos.

Turbocrime
Car related discussion.

Carnorama
Free automotive community.

JustCars
Car forums with many features including games, and a place to submit your own car.

Talk about Autos
A comprehensive discussion forum and Usenet archive for serious auto enthusiasts. Includes discussion about parts, mechanics, lemon laws, repairs, restoration, racing, and financing.