From 1968 with Carroll Shelby.
[ame="http://www.youtube.com/watch?v=CpUDrd8L9Hg&feature=related"]YouTube - Shelby Mustang 1968 TV Commercial[/ame]
Here's one from 1975 with Farrah Fawcett.
[ame="http://www.youtube.com/watch?v=ofaCGy-wVV0"]YouTube - TV Commercial Mercury Cougar 1975[/ame]
[ame="http://www.youtube.com/watch?v=CpUDrd8L9Hg&feature=related"]YouTube - Shelby Mustang 1968 TV Commercial[/ame]
Here's one from 1975 with Farrah Fawcett.
[ame="http://www.youtube.com/watch?v=ofaCGy-wVV0"]YouTube - TV Commercial Mercury Cougar 1975[/ame]