Hi all!!

I'm looking for a title of a movie that's about a car / carmanufactor.
It's about a car that was welded together form 2 halfs.
It's an verry old movie and that's the only thing I cann still remember...... Also I know that the first car in the movie that was bild from the 2 halfs was red.......
PLEASE NEED HELP!!!

Thnx