140 Articles
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Listen to the Hellcat in a Hennessey Maximus Jeep Gladiator racing on a dyno

Hennessey estimates a 30% driveline loss due to the off-road tuning components

Official
Hennessey Venom F5 engine officially makes over 1,800 horsepower

Some of the details have changed from when we last saw it

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ETC
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Official
Hennessey's Ford Ranger VelociRaptor makes 360 hp and 440 lb-ft

The truck celebrates its production status with a Raptor drag race

The truck celebrates its production status with a Raptor drag race.

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2019 Chevy Corvette ZR1 from Hennessey makes 1,200 horsepower [UPDATE]

Versions with 1,000 and 850 horsepower are also available

Versions with 1,000 and 850 horsepower are also available.

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Official
Hennessey gives 2019 McLaren 600LT up to 1,000 horsepower

There are lower power packages, too

There are lower power packages, too.

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Hennessey hires John Heinricy as chief engineer for Venom F5

Veteran GM performance engineer and racer has deep resume

The veteran GM performance vehicle engineer and racer has a deep resume.

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Hennessey unveils 768-hp Heritage Edition F-150

More powerful and growlier than the Ford GT

More powerful and growlier than the Ford GT.

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Hennessey’s 600-hp Lincoln Navigator is here

An extra 150 horsepower to drive the luxe for $19,950

An extra 150 horsepower to drive the luxe for $19,950.

Report
John Hennessey aiming to take Venom F5 to 311 mph

That's 500 kph, and the car may need 1,700-plus horsepower to get there

First comes a 300-mph run, but he believes his coupe will 'go well beyond' that.

Official
Hennessey introduces Goliath 6x6 because of course

Silverado-based biblical beast boasts 705 hp from a supercharged V8

Silverado-based biblical beast boasts 705 hp from a supercharged V8.

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Hennessey F5 reveals 1,600-hp billet-aluminum twin-turbo V8

If needed, more power may be added to hit 301-mph top speed

If needed, more power may be added to hit 301-mph top speed.

Official
Hennessey Dodge Demon sets hellishly fast quarter-mile time

This 1,035-horsepower muscle car is now the world's fastest Demon

The Dodge Demon doesn't strike us as a muscle car much in need of a performance makeover. After all, this 840-horsepower MoPar machine's voracious quest for straight-line speed means it trims weight by jettisoning everything from a front passenger seat and rear seat, to its stereo and all carpeting in the trunk. The folks at Hennessey apparently think that's not nearly extreme enough. So, the Texas-based tuning outfit has turned the Demon into a 1,035-horsepower beast that runs a quarter-mile in

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Aye Captain! Hennessey's 2018 Lincoln Navigator has 600 HP

Twin-turbo Lincoln SUV goes from 0-60 mph in 4.8 seconds

Texas tuner John Hennessey wants to steer the 2018 Lincoln Navigator into some serious performance SUV territory, presently dominated by the Mercedes-Benz G-Class and Range Rover SVR. Upping the power of Lincoln's range-topping sport-utility, from 450 horsepower to an even 600 hp, is enough to hustle the Navigator from 0-60 mph in 4.8 seconds and run the quarter mile in 12.9 seconds at 107 mph.

Report
Hennessey planning Venom F5 speed record assault

Tweaks to the 8.0-liter twin-turbo V8 coming, with 301 mph as the goal

Tweaks to the 8.0-liter twin-turbo V8 are still being contemplated

Video
Watch as Hennessey Exorcist summons an unholy 217 mph run

Yep, that's four more miles per hour than a Corvette ZR1. Mission accomplished.

For speed that makes your head spin, better call the Exorcist.

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