780Tuners Forums

Discussion forum for Import Drag Racing, Autocross and show and shine competitions.
http://forums.780tuners.com/

AudiWorld - Discussion Forums

AudiWorld - Discussion Forums
http://www.audiworld.com/forum/

Aussie V8

An Australian community of car enthusiasts comming together to talk about their one love.
http://www.aussieV8.com.au

Auto-Forums.net

Discussion of automobiles and popular brands, e.g. Audi, BMW, Ford, GM, Nissan and Toyota.
http://www.auto-forums.net

AutoForumz.com

Automotive forums, a resource on new and used cars, repairs, and parts. Free registration.
http://www.autoforumz.com

Automotive Arena

Features forums about car makes, videos, and drag racing. A classified section is also available.
http://www.automotivearena.com/forums/

AutomotiveSports.net Message Boards

Covers a broad range of automotive sports such as domestic, import, offroad and exotic.
http://www.automotivesports.net/forums/

Autopia

Detailing enthusiast community. Discussion about car cleaning and polishing.
http://autopia.org/forum/

Battleboards.org

Automotive battlefield-type message board where flaming is encouraged.
http://www.battleboards.org

Beyond Car Forums

Car discussion groups and forums for enthusiasts from around the world.
http://forums.beyond.ca/index.php

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.
http://www.caranddriver.com/idealbb/

Car Commons

Car Commons tries to provide answers to any car related questions, ranging from the broad to the very specific.
http://carcommons.com

Car KB

CarKB is an online community for car consumers and enthusiasts.
http://www.carkb.com/

Carnorama

Free automotive community.
http://www.carnorama.com/fhome.asp

CarsfromItaly.com

A forum specializing in Italian cars.
http://www.forum.carsfromitaly.com/

CarSPIN Forums

Auto forums featuring general topics, luxury cars, mainstream cars, SUVs, sports cars, an automotive law section, and more.
http://forums.carspin.net

CarSponsors.com

A forum to offer/seek sponsorship for cars.
http://www.carsponsors.com/forums/

CarsTalk.net

Forum style access to car related Usenet groups.
http://www.carstalk.net/

Clusty

http://clusty.com/search?query=%22chats%2band%2bforums%22

Cruise-Scene.com

Modified car community.
http://www.cruise-scene.com/forum/

CRunderground.com

A forum and resource for car performance enthusiast. Contains media and information.
http://www.crunderground.com/index.php

DomesticMuscle.com

A community to discuss domestic muscle cars of all types. Usenet feeds online.
http://domesticmuscle.com/dmforums/

Euro Sports Cars

A euro sports cars enthusiast forum.
http://www.eurosportscars.de

evolutionm.net | Lancer Evolution, Ralliart, and US Lancer Community

Mitsubishi Lancer and Lancer Evolution (Lancer Evo) community. We offer discussion forums, parts reviews (lancerShopper), a Lancer registry, plus news, articles and more.
http://www.evolutionm.net

Gigablast

http://gigablast.com/search?q=%22chats%2band%2bforums%22