VIDEO: Hennessey’s Cadillac CTS-V Sport Wagon vs Nissan GT-R and Porsche 911 Turbo

American tuning firm Hennessey has crafted some pretty insane vehicles over the years. One of its most recent tunes is based on the Cadillac CTS-V Sport Wagon, which leaves GM’s factory with a 556-horsepower 6.2-liter V8 lump, but once Hennessey’s engineers perform their magic under the hood, output is lifted to 650 horsepower.

To show off the tuned CTS-V Sport Wagon’s potential, the Texas-based company brought the Cadillac to the track and drag raced it first against a stock 480HP Porsche 911 Turbo [997] and then a standard 485HP 2011 Nissan GT-R. Watch what happened in the video after the jump.

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Hennessey Z700: Track-Ready 2010 Corvette ZR1 with 705HP, 775HP or 1000HP

Eager to satisfy those who believe that too much horsepower is never enough, Hennessey Performance Engineering has introduced an uber-Corvette in the form of the 2010 ZR1-based Z700. The American tuner claims that the track-orientated Z700 is to the Corvette what the GT3 RS is to the Porsche 911 and the ACR to the Viper. To be produced in a limited run of 24 units for the 2010MY, the Z700 features an array of performance enhancements including an upgraded version of the ZR1's LS9 V8 engine.

The upgraded supercharger, exhaust and air induction systems help lift output from 638 horsepower to 705 horsepower at 6,400 rpm and peak torque to 717 lb-ft at 3,200 rpm. The result is a zero to 60mph (96km/h) sprint time of just 2.9 seconds while the quarter mile is covered in 10.6 seconds at 134 mph. The standard 2010 Corvette ZR1's times are 3.4 seconds and 11.3 seconds at 131 mph respectively.

And if that ain't enough, Hennessey also offers two optional power kits that boost output to 775HP and a massive 1,000HP.

Additional mods on the Z700 include a set of lightweight carbon fiber wheels wrapped in Michelin Pilot Sport Cup tires, which Hennessey says reduce rotating weight by nearly 60 lbs, a lowered suspension and a new aero parts such as the carbon fiber front splitter, canards and rear spoiler that are said to add over 300 lbs of downforce.

Inside, the tuner has upgraded the ZR1's cabin with lightweight carbon fiber seats and Alcantara steering wheel and shift knob.

The price for the basic Z700 including the 2010 ZR1 donor car has been set at $207,150 US or at today's exchange rates, €149,312. That's almost double the price of the factory 2010 Corvette ZR1 638HP that starts from $104,920 and four-times the cost of the basic Corvette Coupe 430HP V8 that begins from $49,515.

HENNESSEY Z700 SPECS

Power:

• 705 hp @ 6,400 rpm
  
• 717 lb-ft Torque @ 3,200 rpm
  

Performance:

• 0 – 60 mph: 2.9 seconds
• 0 – 100 mph: 6.4 seconds
• 1/4 mile: 10.6 @ 134 mph
• Skid pad: 1.08 lateral G
• Note: HPE VBox preliminary test data.

Z700 Package Includes:

• Supercharger Modifications (15 psi boost)
  
• Intercooler System Upgrade
  
• Air Induction System Upgrade
  
• Stainless Steel Exhaust Upgrades
  
• Hennessey Light Weight Carbon Fiber Wheels
  
• Front: 19 x 10.5 inches; Rear: 19 x 12.5 inches
  
• Michelin Pilot Sport Cup Tires
  
• Front: 265/35-YR19; Rear: 325/35-YR19
  
• Sparco Carbon Fiber Seats in Alcantara (Driver & Passenger)
  
• 5-Point Harnesses with Harness Bar
  
• Alcantara Steering wheel & Shift Knob
  
• Lowered Factory Suspension
  
• Corner Weighted with 4-wheel Alignment
  
• Z-Aero ™ Carbon Fiber Body Parts: Front Splitter, Canards, Rear Spoiler, Vented Factory Hood, Vented Front Fenders
  
• Hennessey & ZR700 Interior & Exterior Badges
  
• Limited Edition Serial Numbered Plaque
  
• 1-Day Driving Instruction at Lonestar Motorsports Park
  
• 3 Year / 36,000 Mile Limited Warranty
  

Total Cost Including New 2010 ZR1: $207,150 US Dollars

Optional Upgrades

• Z750 – 755 bhp Upgrade
  
• Z1000 – 1,000 bhp Twin Turbo / Supercharged Upgrade
  
• Custom Exterior Colors
  
• Custom Interior Upgrades & Colors
  
• German Delivery - Nurburgring Delivery & Driving Instruction

Hennessey VENOM GT Concept Car

Hennessey Performance Engineering has announced that their Venom GT Concept will be officially unveiled at the 2010 Geneva Motor Show. The car is equipped with a V8 engine which capable to produce 1200bhp. The Venom GT is expected to accelerate from 0-60 mph in 2.4 seconds before hitting a top speed of 272 mph (440 km/h). If Hennessey is correct, the Venom GT will easily surpass the Bugatti Veyron's top speed of 254 mph (408 km/h). Should that fail to impress you, Hennessy also says the Venom GT will accelerate from 0-100 mph in 5.3 seconds, 0-150 mph in 8.9 seconds, and 0-200 mph in 14.3 seconds.

In order to achieve these insane performance figures, Hennessey strictly followed the idea of creating a lightweight supercar. The company estimates that Venom GT will weigh less than 2,400 lbs which is roughly 1,700 lbs lighter than the Veyron. The Venom GT has an aggressive appearance that should produce plenty of downforce thanks to its massive "VenomAero" rear wing. The car is fitted a pair of carbon brake rotors measuring at 6 piston calipers at the front and 4 piston caliper at the rear which help to decelerate the car in shorter time.

Hennessey announces new plan for HPE700 Camaro

Texas-based tuning firm Hennessey Performance Engineering (HPE) has announced plans for a highly modified 2010 Chevrolet Camaro that the company plans to launch early next year. As if that engine alone weren't enough, HPE has tuned the LS9 to produce 705 hp and 717 lb-ft torque. That should make for an awesome pavement pounder in the quarter-mile, or else a neat way to scorch the earth and create mushroom clouds of tire smoke.

At the heart of tuned Camaro is GM's new LS9 supercharged V8, the same engine found in the Corvette ZR1 supercar. However, in the Camaro, the force-fed mill will churn out a peak output of 705hp (526kW) and 717lb-ft (971Nm) of torque.

Other performance goodies include 15-inch carbon ceramic brakes cribbed from the ZR1, upgraded suspension bits and HRE alloy rims shod with Michelin PS2 rubber. HPE chose not to leave well enough alone in the looks department, either. The HPE700 has inherited the controversial see-through hood from the ZR1, along with a body package that includes a full carbon fiber ground effects kit and a unique front fascia with faux-hideaway headlights and a billet aluminum grille. We like it, you may not.

In addition to the power and handling upgrades, Hennessey will also be offering an exterior aerodynamics package to improve downforce at high speed. Penned by British designer, Steve Everitt, Hennessey's ‘Cam-Aero’ body upgrades include a carbon-fiber rear lip spoiler, carbon-fiber side rocker panels, a carbon-fiber front splitter, a new front fascia with hideaway-look headlights, and a front billet grille. Completing the look of the HPE700 is a ZR1 inspired hood design with a plastic window showing off the Hennessey's tweaked LS9 powerplant.

Hennessey is offering the first HPE700 Camaros exclusively to registered bidders at the 2009 Barrett-Jackson auction in Scottsdale, Arizona. However, the car will eventually be available to the general public or ordered from select Chevrolet dealers as well as directly from Hennessey. Pricing will start at $109,500.