Elvis is at the wheel in the movie "Loving You", but it's John Athan's roadster. One of the country's first hot rods, built in 1939, he paid cash for his first and only house with the money he made from renting the hot rod to the movie

https://www.jalopyjournal.com/forum/threads/vintage-shots-from-days-gone-by.428585/page-5808#post-12867308

So, that's the story of the movie, but for the story of the car, see the post from 2019, that I forgot I'd done.... cause my memory is slipping. https://justacarguy.blogspot.com/2019/03/elvis-in-hot-rod-john-athans-29.html