The shape is heavily derivative of the first generation Ford Mustang.
<a href="//commons.wikimedia.org/w/index.php?title=User:Chris_Henniker&amp;action=edit&amp;redlink=1" class="new" title="User:Chris Henniker (page does not exist)">Chris Henniker</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>