And the ad copy will read (as it always should) "Mustang -- America's favorite make-believe sports car!"
It was never billed as a 'sports car' anyway. In fact, it was originally meant to be an economical, fun car.
It was a new class of car that came to be known as the 'ponycar' which gave birth to copycats like the camaro/firebird 2.5 years later.
Sports cars have seating for 2, like your namesake, the corvette.
Of course if you wanted some REAL horsepower in 1965, in a sports car platform, you would've needed to buy a Cobra.