The Ford Mustang is the one and only "Pony" car.

Mustang

yeah, its a muscle car! Wikipedia calls it a sports car, but really it is a muscle car. Wikipedia is too fancy to call it by its right name. Another name that Wikipedia will use is a pony car. A challenger is not a pony car, a mustang is. The mustang literly has a pony symbol on it.

Not by definition. Sports cars are low, fast, and trade many creature comforts such as a rear seat for power. Pony cars are compact, affordable cars with a powerful engine. An example of a sports car is a Ferrari, while an example of a pony car is the early Mustang.

install a muscle car engine in it like a charger