Watch a $200,000 Jeep Gladiator Maximus 1000 HP Dyno Run! Wheel Horsepower Is Surprising (Video)


When is too much TOO much?

The Maximus 1000 Jeep Gladiator is a monster. According to Hennessey, the modified 6.2-liter, supercharged Hellcat engine they stuffed into a Gladiator now makes 1,000 horsepower and 933 lbs-feet of torque. Considering that the Gladiator’s stock Pentastar V6 made 285 and 260 lb-ft of torque, that’s three times the power.

Or is it?

If you look at the DynoJet readout pictured above, the Maximus 1000 Jeep Gladiator put down 692.1 hp and 629.8 pound-feet of torque – at the wheels. Remember, there is a ton of loss when you compare power numbers at the crank verses all of the loss you find at the wheels. That, along with heavy-duty driveshafts, the off-road tires, wheels and axles (among other components), makes the loss more noticeable.

You can read about the Maximus 1000 Jeep Gladiator (here).

This result means that it lost more than 30 percent of its power. Still, 691 horsepower is ridiculous. According to Hennessey, the Maximus 1000 Jeep Gladiator does 0 to 60 mph in 3.9 seconds.


  • New 2020 Jeep Gladiator Truck
  • 6.2L Supercharged Hellcat V8 Engine
  • 8-speed Automatic Transmission
  • HPE1000 Engine upgrade with 1000 HP & 933 lb-ft of Torque
  • 0-60 mph: 3.9 seconds
  • ECU, Wiring Harnesses, Radiator, Fuel System
  • Stainless Steel Exhaust System
  • MAXIMUS Front & Rear Bumpers with LED Lights
  • Heavy-duty Off-Road Axles
  • Dana 60 Front & Rear Differentials (4.88 gear ratio)
  • Heavy-duty Front & Rear Driveshafts
  • Hennessey Aluminum Wheels with 8-Lug Bolt Pattern
  • KING Off-Road Suspension System with 6-inch lift
  • BFG Off-Road Tires
  • Drop-down running boards
  • Upgraded Leather Interior with Hennessey & MAXIMUS Embroidered Seats
  • HENNESSEY & MAXIMUS exterior branding
  • Limited edition 1 of 24 serial numbered interior and engine bay plaques
  • 3 Year / 36,000 Mile Warranty

Only 24 of the Hennessey Maximus 1000 Jeep Gladiators will be built. Prices start at $225,000. That price includes the stock Gladiator and all of the upgrades. You can order yours via authorized Jeep dealers throughout the United States.

Easily amused by anything with four wheels, Nathan Adlen reviews vehicles from the cheapest to the most prestigious. Wrecking yards, dealer lots, garages, racetracks, professional automotive testing and automotive journalism - Nathan has experienced a wide range of the automotive spectrum. Brought up in the California car culture and educated in theater, childhood education, film, journalism and history, Nathan now lives with his family in Denver, CO. His words, good humor and video are enjoyed worldwide.