The Isaac Newton School of Driving: Physics and Your Car - Book
http://www.amazon.com/Isaac-Newton-School-Driving-Physics/dp/0801874173



Just to add to the collection of XSI Car rig info here - non ICE

3d Quakers
INTERACTIVE VEHICLE RIG video tutorial - non ICE
http://3dquakers.com/web/index.php?option=com_content&view=article&id=35
"This is a legacy title and the methods shown might not apply to the latest version of Softimage."

Craft Animation was temporarily bundled with a single version of XSI, ( 2011 only )
Craft Vehicle Tools - non ICE
http://xsisupport.com/2010/04/02/craft-animation-studio-bundled-with-softimage-2011/

Forget the 3D quakers. It is good if you want to know how to start, but the steering is the whole front axle not every wheel. So they faked it.
I would say that i tested the craft animation when it came and is much easier than a rigid body rig work and much more certain.