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 ...

This isn’t Hennessey’s first Escalade-V rodeo, but the 2025 facelift gives the tuner a fresh canvas and new opportunities to ...

This truck spent quite some time on the dyno. It went through tuning twice because the owner kept wanting more. Is 800 ...

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

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, ...