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Hennessey unleashes 2015 HPE700 supercharged Ford Mustang

Thanks to the 2015 Dodge Challenger SRT Hellcat there is a new magic number in the muscle car world - 707. To raise eyebrows these days in the power war, a vehicle needs to match or preferably exceed that palindromic figure. The tuners over at Hennessey took a look at it for their 2015 HPE700 Mustang and decided to go one better. Well, ten actually, because they bestowed their latest creation with 717 horsepower and 632 pound-feet of torque.
The HPE 700 Mustang takes the standard Mustang GT with its 5.0-liter V8 and turns up the power a few hundred notches with a Roots-type supercharger running at 7.25 psi. Hennessey claims that this boosted 'Stang can rocket to 60 miles per hour in about 3.6 seconds and cover the quarter-mile in 11.2 seconds at 131 mph. For those keeping score at home, those figures are very similar to Challenger Hellcat.
To cope with all of the added boost, the engine gets a high-flow throttle body, upgraded injectors, new fuel pump, stainless steel exhaust and Hennessey's calibration for the engine management. Pricing for the package is $59,500, including the base 2015 Mustang GT, but the company is limiting production to 500 units for the 2015 model year. Founder John Hennessey told Autoblog that he has already received about a dozen orders for them.

2015 Ford Mustang fuel economy ratings leaked

Thinking about buying a new Mustang, but want to know what kind of fuel economy it'll get? Well we have our first indication as the pony-car enthusiasts over at Mustang6G.com have gotten a hold of the Monroney window stickers for a few of the new 2015 Mustang models.
Although the V8 model is not among them, we can now see how the EPA has rated those models with a half dozen pistons or less. The Mustang EcoBoost with the turbo four and a manual transmission has been rated at 22 miles per gallon in the city and 31 on the highway. The V6 manual gets 17 city and 28 highway, while the V6 automatic squeezes out a bit more in the city at 19 mpg but carries the same 28 highway rating.
By way of comparison, the latest Chevy Camaro with the V6 and a stick shift gets the same 17/28 EPA rating as a similarly equipped new 'Stang, and the V6 automatic Camaro gets 18/27 (slightly behind the Ford, but if you opt for the Camaro 2LS with its V6, automatic and 2.92 rear axle ratio, you'll be looking at 19 and 30).