Dave, have you considered using a maroon paint? This should match up well with your interior color. There are several nice maroons on late model stuff such as the Dodge pickups. Just a suggestion. I have had experience with purple and you may find that a buyer is very difficult to find. The paint savings may come back to bite you in the behind. If this thing is for sale and you need to turn it quickly, put the purple back on the shelf and wait for the right project. Just my opinion.