Here a few photos of a one of a kind. - Should be easy to "guess" but it was sold for an estimated $3,240,000 and is not for sale.
54 Olds F8
It was designed by GM in 1952 and was the pet project of Harley Earl and Anton Duntov. Powered by an Olds V8.
Chevrolet sold the most cars, they got to release a low performance Corvette that was stripped down and it had a 6.
Sorry about that Dick, a friend follows the posts here and sent me that photo last week.
BTW If you post a photo here from the net, change the name when you save it. It's just to easy, that one would give us 54 rocket.