2013 Shelby Mustang GT500 Certified At 662 Horsepower

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Get ready for ludicrous speed--the 2013 Shelby Ford Mustang GT500 has been certified at 662 horsepower--12 more than the promised 650--and 631 pound-feet of torque. Why? Because muscle car. We guess.

In an interview earlier this week with Jamal Hameedi, chief engineer of Ford's SVT team, and Jim Owens, vice president of marketing for Shelby, at the Team Shelby forums, the mind-blowing Mustang power figures were revealed, along with EPA estimates of 16 mpg city, 24 mpg highway. Today, Ford confirmed the news and added some graphic information to the mix--as well as the claim that the 2013 GT500's V-8 is the most powerful production V-8 in the world. Best of all, according to the dyno chart, peak power comes at just 4,000 rpm--and stays well above 500 hp all the way to redline. That'll make for one very quick-accelerating car.

As with most extreme high-power/high-torque cars, the run to 60 mph will be done entirely in first gear, taking the time of a shift out of the mix--and likely scoring the GT500 a time somewhere in the low-to-mid three-second range, though that hasn't yet been disclosed.

One slightly odd detail: due to the massive cooling (and consequent air flow) requirements, the 2013 GT500 won't have a grille--there's just a big, open rectangle where it would normally be. It looks like that detail will make it through to production, though we're curious to see how Ford handles the matter.

Despite the massive power output, the 2013 GT500 will start from just $54,200--about half the price of the slightly-less-powerful (but much lighter and better-handling) Corvette ZR1. The GT500 Convertible starts at $5,000 more.

For the other official details on the 2013 GT500, check out our preview here.

Hit page two for the full release on the new 5.8-liter V-8's massive power output.

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Comments (4)
  1. now is a good time to stop adding horse power and starting loosing pounds. with all that weight it wont matter if it has 600 or 700 hp. Shelby has a car that can now take on the ZR1.. in a straight line but going on weight to hp rating the ZR1 might or will win.and ofcorse getting rid of the live axle for a IRS is a given.

  2. Corvette ZR1 is a world class sports car which was able to set lap record on Nurburgring. I don't even think this Mustang would be able to handle the Camaro ZL1 (after all the upgrade was done to its suspension and handling)

  3. ZR1 may be a "world class sports car", but that is comparing apples and oranges. This is still a pony car that was never intended to take on the ZR1s, Ferraris or Lambos. As for the ZL1, I dont think its going to be much of a problem. It seems to me that the suspension is not going to as "horse and buggy" as it used to be. Even if it is, I am waiting until the new model comes out, then the Chevy Koolaid drinkers wont have anymore live axle complaints to make.

  4. 0 to 60 in first gear. Rock out. I can't wait to come across one of these on the road.

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