john hennessey

Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and gets from 0-60 miles per hour in 4.8 seconds. When it leaves Hennessey's garage floor after the ...

We're happy there's a John Hennessey who walks the Earth. While any number of humans may have had the idea of marrying a stretched Lotus with a twin-turbocharged ZR1 engine, only Hennessey had the wherewithal to make the Venom GT. And because he has, we bring you the news that the Venom GT has ...

John Hennessey has stopped by Jay Leno's Garage for a second time to show off the 2012 Hennessey Venom GT. Last time the tuner-turned-supercar-maker visited the comedian's garage, Leno didn't get a shot behind the wheel of the Venom GT because the vehicle had yet to be legalized in the States. ...

The image above is a perfect example of potential energy. What we have is famed tuner John Hennessey's own personal daily driver, a modified Cadillac CTS-V Sport Wagon called "Hammer Wagon," about to run down the quarter mile. Its twin-turbo V8 is producing upwards of 1,000 horsepower, but with ...

John Hennessey recently returned to the Texas Mile with his 700-horsepower Cadillac CTS-V Sport Wagon for another shot at high-speed glory. The long-roof rocket managed to clip off a top speed of 189.7 miles per hour in the standing mile, which beat out last year's figure by a safe margin. That ...

And now for something completely awesome: the 2010 Hennessey V650 Cadillac CTS-V Sport Wagon doing terrible things to expensive tires. John Hennessey's love affair with all things Cadillac is no secret; his wife's daily driver is an HPE700-equipped CTS-V sedan. We've also seen Mr. Hennessey's ...

The 2011 Chevrolet Camaro Convertible is getting ready to take the stage at the 2010 Los Angeles Auto Show, but John Hennessey and his band of tuners can't wait that long. Hennessey Performance has announced ...

There are two kinds of people in the world. The first kind drives Cadillac's supercharged CTS-V, experiences the thrill of 556 horsepower paired with 551 pound-feet of torque and declares, "This thing is a monster. This is the fastest, ...

It's been two long years since John Hennessey announced plans to build his very own supercar, and we were beginning to wonder if it was ever going to happen. Apparently, Hennessey's plans are still a go as the Texas tuner just announced ...

Normally the twisting of an ignition key doesn't constitute news here at Autoblog, but this is one of the few exceptions. Back in January, Hennessey Performance announced the HPE700, a concoction born from the combination of an LS9 supercharged V8 from a ...