The Isaac Newton School of Driving: Physics and Your Car - Bookhttp://www.amazon.com/Isaac-Newton-School-Driving-Physics/dp/0801874173
Just to add to the collection of XSI Car rig info here - non ICE
INTERACTIVE VEHICLE RIG video tutorial - non ICEhttp://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 ICEhttp://xsisupport.com/2010/04/02/craft-animation-studio-bundled-with-softimage-2011/