Here's seven different Mustang models that rank among the highest horsepower ratings ever achieved by a car from a major manufacturer.

Gearheads hold onto your hats! The Ford Mustang Shelby GT500 was already a tire-shredding monster with a whopping 771 ...

The Pontiac G8 is a V8 sedan with Corvette power, offering muscle car thrills and family space for under $20K on the used ...