146 Articles
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Hennessey Mammoth 1000 6x6 TRX is prehistoric excess

It's now powered by a 1,102-horsepower supercharged V8

Video
Hennessey Venom F5's 'Fury' V8 engine hits the dyno

6.6 liters, two turbos, 1,817 hp, plenty of flames

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Official
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Hennessey announces performance, off-road upgrades for the 2021 Ford Bronco

We're expecting an avalanche of aftermarket Bronco parts

Official
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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Hennessey Maximus turns 2020 Jeep Gladiator into a 1,000-horsepower monster

It has a hopped-up Hellcat engine

It has a hopped-up Hellcat engine.

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.

Official
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.

Official
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.

Official
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.

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