Free

Aloha Auto Search
Automotive ads from dealers and individuals.
http://classifieds.speedhawaii.com/

Auto101
Searchable database of vehicles available from private sellers.
http://www.auto101.com/

Auto Explosion
Searchable used vehicle database, consumers may post free ads with photos.
http://autoexplosion.com/

AutoDirection.com
Auto ads from individuals and dealers.
http://www.autodirection.com/

Autop10.com
Identifies the ten cheapest classified car ads based search criteria. Inventory, blog, and form to sell a car.
http://www.autopten.com

CarBarter
Free car classifieds for Australian dealers and citizens. News and car reviews.
http://carbarter.com.au/

Cardealer.com.pk
Buying and selling tips, special offers, and car maintenance information. Pakistan.
http://cardealer.com.pk/

CarMarket
Provides compact, tabular list of cars for sale.
http://www.carmarket.com/

Car-Sale.org.uk
Used car classifieds for the United Kingdom.
http://www.car-sale.org.uk/

Just Good Cars
New and used car classifieds. News, car search, and form to sell a car.
http://www.justgoodcars.com/

Kakagua.com
Used cars for sale by owner in the United States and Latin America.
http://www.kakagua.com/index_eng.php

Preowned Car Classifieds
Used car news, post a used car classified ad, and browse cars for sale.
http://www.preownedcar.com/

Vehicle Trader
Used car classifieds for the United Kingdom. Place and manage an ad.
http://www.vehicle-trader.co.uk/

Wheelbynet.com
Auto, boat, motorcycle and rv ads sorted by type, make, area.
http://www.wheelbynet.com