SearchinQ

http://www.buyingadvice.com/
Offers new car buying advice on current automobile pricing, car buying tools, auto reviews, insider advice articles and more.

http://www.carprice.com
Provides a guide to new car prices online. Browse by auto manufacturer, car type, or price range.

http://www.nothingbutcars.net
Sell your car or find used cars offered for sale by private individuals.

http://www.sydneycartraders.com.au/
A car & vehicle sourcing service that aims to get customers the best price on private or company fleet autos.