When I was at a college I remember useing a program that you could design create and test products one thing they had built was a complete dunebuggie that they had designed and I was wondering if any one knows of the program or one similar other than CAD

CATIA...may be a bit dated tho...it was used to design the Plymouth Prowler I believe.

Pro/Engineer. It'* what I use at work.

catia, unigraphics, solidedge...