Car Colliseum is a two columns ads ready wp theme for car blogs.

A classy combination of brown, orange and black having semi-magazine style look with an attractive Slider for Images. Theme contain some additional features, listed as:

* Valid XHTML 1.1 and CSS 2/3
* Best view under 1024×768 or greater.
* XHTML 1.0 Transitional
* Adsense Ready
* Threaded comments support
* A lot of advertising spots 125×125
* Gravatar
* Widget Enabled

FabAutos is a 3-column WP theme with the classic combination of white, black and grey, ideal for Autos Niche as well as can be fit into other niches!

Cars is a three columns free wordpress theme with simple, clean look, Unique and modern style, having the classic combination of blue, white, black and red, Ideal for Autos, Cars, technology, and other niche.

AutosMag, another free premium wordPress theme. Theme contain some additional features, listed as:

* XHTML 1.0 Transitional
* Adsense Ready
* FeedBurner subscribe via email support
* Featured Category Selection
* Widgets
* Nested Comments Support
* Custom Color Schemes
* Gravatar
* and more

Honda Racing is a three columns free wordpress theme for your blogs.

bikerine is a three columns ads ready motorbike wordpress theme

Features:

* xhtml & css valid
* crossbrowser compatible
* rss ready, gravatar ready, widget ready
* working with the last version of WP and lower

F Horse Car is a Nice Theme for WordPress

A 2 column theme celebrating the Mazda Rotary engine. Great for car blogs.