This puzzle should probably be merged with my old one:
https://www.autopuzzles.com/forum/2016-45/wth-509/under the title
1975 Moskvich MXRL concept by Syd Mead for Raymond Loewy
(I notice Autopuzzles does not have a consistent naming scheme for Moskvich/Moskvitch vehicles. It seems more solved puzzles use "Moskvich".)