Hummer H1 Horsepower & Torque (2002 - 2006): How Much Power Does A H1 Have?

The Hummer H1, derived from the military M998 Humvee, is a legendary full-size off-road vehicle that transitioned to civilian use from 1992 to 2006, marking the start of the Hummer lineup.

From 2002 to 2006, the H1 saw significant performance improvements, starting with a 6.5L turbo-diesel engine producing 195 horsepower and 430 lb-ft of torque.

By 2006, it was equipped with a 6.6L Duramax turbo-diesel engine delivering 300 horsepower and 520 lb-ft of torque, paired with a heavy-duty Allison 5-speed automatic transmission.

This powertrain upgrade solidified its reputation as a robust off-road powerhouse.

Scroll down to see the detailed horsepower and torque data below.

Check out the Horsepower And Torque specifications for other makes and models.

2006 Hummer H1 Horsepower

The Hummer H1 is equipped with a 6.6L (395) DURAMAX engine, producing a consistent 300 horsepower and 520 lb-ft of torque.

It features a 4WD drivetrain and is paired with an Allison 5-speed automatic transmission with overdrive.

2002 Hummer H1 Horsepower

The Hummer H1 is equipped with a 6.5L (396) engine, producing a consistent horsepower of 195 hp and torque of 430 lb-ft.

It features a 4WD drivetrain and is paired with a 4-speed automatic transmission with overdrive.