Gearheads, buckle up. Hennessey Performance Engineering has just transformed America’s favorite full-size SUVs—the 2025 Chevrolet Tahoe and Suburban—into fire-breathing, road-dominating machines. Dubbed the H600, these supercharged monsters now pump out a staggering 625 horsepower and 633 lb-ft of torque, redefining what a performance SUV can be.
At the heart of this transformation is the legendary 6.2-liter V8, now force-fed by a Magnuson supercharger and paired with a sport-tuned exhaust for a throatier growl and max airflow. The result? A power bump of over 200 hp and a torque increase of more than 35%, launching these full-size family haulers into the league of muscle cars and exotic crossovers.
But Hennessey didn’t stop at power. The H600 Tahoe and Suburban also receive:
- 24-inch gloss black lightweight performance wheels
- 5-inch lowered suspension for improved aerodynamics and handling
- Heavy-duty Brembo 6-piston front brakes for serious stopping power
- Firestone Firehawk Pursuit tires for grip that keeps up with the grunt
- Signature Hennessey badging and aggressive exterior styling
Each vehicle maintains the advanced tech and 10-speed transmission of the stock GM platforms, ensuring performance doesn’t come at the cost of daily drivability or comfort.

A New Era: Hennessey Now Available Through Chevrolet Dealers
In a historic first, the H600 package will be available directly through authorized Chevrolet dealerships across the U.S. This new partnership means customers can now order their Hennessey-enhanced Tahoe or Suburban like any other GM vehicle—complete with factory-backed financing, warranty support, and ordering convenience.
Availability & Ordering
The H600 performance upgrade is available for all 2025 Chevrolet Tahoe and Suburban models equipped with the 6.2L V8 engine. Interested buyers can contact Hennessey directly or visit their local Hennessey-authorized Chevrolet dealership to begin the order process.