I've got many E and A body posters that are available if you are interested. I am limited to hosting space so will only put a few up at a time
Here's a start on what you can ger
For sizes, I can make them almost any size from 11 inches along the small axis to 36 along the small axis. Length (or height - depending on how you look at it varies with the image) usually it runs from 34 to 40 inches for a 24 inch wide inch poster. These can either be on heavy (42 pound ) bond or laminated.
Here's some funny cars for starters