The Dodge Challenger SRT Demon 170 has been out of production since 2023, but remains the most powerful muscle car ...

Hennessey Performance introduces the Demon 1700, a twin-turbo beast with over 1,700 HP and sub-8-second quarter-mile times.

Hennessey turns the already wild Dodge Demon 1700 into a twin-turbo 1,700-hp beast that might be the world’s fastest car down ...

Hennessey Performance Engineer has shared a video showing the twin-turbocharged V-8 in the Demon 1700 making 1,700 hp in dyno ...

The Dodge Demon 170 will be upgraded to run a 7.9-sec quarter-mile at 180 mph; Hennessey Special Operations will only make a ...

Valencia marketing firm Hennessey Digital, specializing in services for law firms, has been acquired by Herringbone Digital, ...

Hennessey's latest over-the-top Mustang, the Super Venom, is based on the Mustang GT and Dark Horse models and limited to 91 examples in total. The tuner claims a 10.9-second quarter-mile time, ...

Hennessey has unveiled an even more hare-brained version of the Venom F5, which it's calling the Evolution. According to Hennessey, the Venom F5 Evolution adds 214 horsepower over the original, ...