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

News of the policy being enforced on the Mustang GTD emerged late last week and was soon confirmed by Ford. Much like the GT, those fortunate owners of the Mustang GTD must “agree to confidential terms and conditions that include a commitment to maintain ownership for two years.”

Ford's GTD monster Mustang isn't just a performance heavyweight; it's going to be an actual heavyweight. EPA documents show that the new fastest Mustang is going to be a lot heftier than we expected from any pony car.