Eight-hundred horsepower. 0-60 in 3.1 seconds. $235,000. Given those numbers, you'd think we were talking about a supercar, right? Well we are, if by supercar you mean something with otherworldly performance capabilities. But this is no two-seat roadster. This is a Jeep.

To be more specific, this is the latest Hennessey HPE800 Twin Turbo, a new rocket sled based on the Jeep Grand Cherokee SRT8. That model usually packs a 6.4-liter Hemi V8 – which is already big by any measure – but Hennessey's bored it out to a nice round 7.0 liters and bolted a pair of turbochargers to it.

Along with the substantial engine mods, the HPE800 also gets an upgraded transmission and torque converted (it is a conventional automatic, after all), plus 20-inch wheels on a lowered suspension with 15.1-inch Brembo brakes, and a reworked fascia with a carbon fiber splitter up front.

Of course, if the high price of entry doesn't keep out the riffraff, the limited quantities being built surely will: only 24 examples are earmarked for production, so even at the pace at which these beasts will cover all manner of terrain, they're not likely to run into one another once they've left the factory. Press release after the jump.
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Who Needs Reindeer When You Have an 800 HP Twin Turbo Sleigh?
Introducing the 2013 HPE800 Twin Turbo Jeep by Hennessey Performance

Hennessey Performance (HPE) is well known for taking fast cars, trucks and SUV's and making them faster. The company will be offering their HPE800 Twin Turbo Jeep for 2013. Based on the new Jeep Grand Cherokee SRT8, the crew from HPE takes the factory 6.4 L Hemi and increases displacement to 7.0 L (426 cubic inches) while adding a twin turbo forced induction system. The resulting 805 bhp and 823 lb-ft of torque will be enough to propel the HPE800 from 0-60 mph in 3.1 seconds.

Additional modifications include an upgraded transmission system and torque converter upgrade, 15.1 inch Brembo brakes front and rear, a lowered sport suspension system, lighter alloy wheels, carbon fiber front splitter and a custom leather interior with Alcantara steering wheel.

"We've built dozens of 600-800 hp Jeep SRT8s over the past five years, so we have an existing client base who will want to upgrade the new Jeep Grand Cherokee SRT8 to an even higher level", said company founder and president, John Hennessey. "This vehicle is designed for the performance minded driver who lives in Aspen or Moscow and wants to be the fastest in all weather conditions."

HPE will limit production at just 24 examples with pricing starting at $235,000.

2013 HPE800 Twin Turbo Jeep - Specifications:

• 805 bhp @ 5,800 rpm
• 823 bhp @ 4,000 rpm

• 0-60 mph: 3.1 seconds
• 1/4 mile: 10.9 @ 130 mph

• 2012 Jeep Grand Cherokee SRT8
• HPE800 Twin Turbo Engine Upgrade
• Transmission Upgrade
• Torque Converter Upgrade
• HPE 20 inch Wheel Upgrade
• Custom Leather / Alcantara Interior Upgrade
• Brembo Brake System Upgrade
(6-piston calipers front and 4-piston calipers rear, 15.1 inch cross drilled rotors front and rear)
• Lowered Suspension System
• Carbon Fiber Front Lip Spoiler
• Serial Numbered Dash Plaque & Engine Compartment Plaque

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