The safety aspect of an old heavy car goes out the window when you hit a bigger vehicle or a stationary object. Crumple zones are a good thing, and something the old mustang doesn't have.
http://albums.photopoint.com/j/View?u=1572917&a=11954864&p=43865988.jpg
http://albums.photopoint.com/j/View?u=1572917&a=11954864&p=43865988.jpg