the problem is both with FF and IE. It's been many months now that it has been the case that I haven't been able to post a decent printout on the wall...
THe easy way to describe is the frames are rendered properly when printing but they're probably not frames
Browsers do the best they can printing out web pages on paper, but the screen is different from a sheet of paper and they can't print out exactly what you see on the screen.
What we can do is offer a print version of vehicle profile pages that will work better on paper. That will take some time to develop, but we'll add it to our to do list.