Hennessey Mustang Dark Horse HP850 (2024)

Hennessey Mustang Dark Horse HP850 (2024)

Hennessey, the renowned hypercar manufacturer and high-performance vehicle creator based in Texas, has announced the performance specifications for its supercharged ‘H850’ Mustang Dark Horse. Now in production at its Sealy headquarters, this upgraded version of the iconic pony car features a remarkable 70 percent power increase, delivering a stunning 850 horsepower and 650 lb-ft of torque.

Transforming the 2024 Ford Mustang Dark Horse
The 2024 Ford Mustang Dark Horse is a high-performance variant of the acclaimed ‘S650’ Mustang. In its stock form, the Dark Horse is equipped with a naturally aspirated Gen-4 Coyote 5.0-liter V8 engine, producing 500 bhp and accelerating from 0 to 60 mph in 3.7 seconds with the 10-speed automatic transmission. Hennessey takes this to the next level by adding a high-performance supercharger, high-flow air induction system, upgraded fuel injectors, and a robust fuel pump, all managed by Hennessey’s proprietary engine management system.

Performance Enhancements
Hennessey’s modifications dramatically improve the Mustang’s performance metrics:

  • 0 to 60 mph: 3.2 seconds (down from 3.7 seconds)
  • ¼ Mile: 10.9 seconds at 133 mph (improved from 12 seconds at 118.4 mph)

These enhancements make the H850 Mustang faster and more powerful than even the forthcoming $300,000 Ford Mustang GTD, which boasts 800 horsepower.

John Hennessey on the H850 Mustang Dark Horse
John Hennessey, the Founder and CEO of Hennessey, expressed his enthusiasm for the new model: “Our supercharged H850 Mustang Dark Horse builds on Ford’s commitment to provide automotive enthusiasts with passion products like the snarling V8-powered S650 Mustang. We’re excited to unleash Hennessey’s passion for performance on America’s most iconic muscle car with all the sights, sounds, smells, and sensations that get our blood pumping!”

Unique Features and Options
The H850 Mustang Dark Horse offers several distinctive features and options:

  • Visual Enhancements: Optional Hennessey Heritage Graphics and forged performance wheels in gloss anthracite.
  • Badging and Interior Details: Each model features Hennessey and H850 badging, embroidered headrests, and a serial-numbered engine plaque.
  • Transmission Options: Available in both automatic and 6-speed manual versions.
  • Warranty: Comes with a comprehensive 3-year / 36,000-mile limited warranty.


  • Horsepower: 850 bhp @ 7,250 rpm
  • Torque: 650 lb-ft @ 4,900 rpm

Upgrades to Standard 5.0-Liter V8

  • High-Performance Supercharger System
  • High-Flow Air Induction Upgrade
  • Upgraded Fuel Injectors
  • Upgraded Fuel Pump
  • HPE Engine Management Calibration

Other Features

  • Professional Installation
  • Chassis Dyno Tuning and Road Testing
  • Serial-Numbered Engine Plaque
  • Hennessey and H850 Exterior Badging
  • Hennessey Embroidered Headrests
  • 3-year / 36,000-Mile Limited Warranty

Optional Extras

  • Performance Wheel Package
  • Heritage Graphics (Black / Red / Silver / White)

Availability and Contact Information

Production of the H850 Mustang Dark Horse is currently underway at Hennessey’s Sealy, Texas headquarters. Interested customers can learn more and place orders for global shipping through authorized Ford retailers or directly through Hennessey Performance by visiting HennesseyPerformance.com or calling +1 979.885.1300.

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