What CAD program do I need to design a car, and the workings of it?

JRod asked: I have been sketching cars that I would like to build, I have the knowledge on how to build cars. I am looking for a program that I can design every aspect of the car from the body to the suspension, and then have the software show the suspension in motion, and allow [...]

laptop, ideal for design course at university?

Lee S asked: http://direct.tesco.com/q/R.203-1963.aspx
i need big memory for CAD DESIGN softwares for my architecture course, was wondering if this an ideal laptop?
and maybe for entertaintment like watchin dvds. internet. does this laptop seem ok?

From where I can get free unigraphics software?

smart2k9 asked: It is a CAD like design software