Hummer H3 Horsepower & Torque (2006 - 2010): How Much Power Does A H3 Have?

The Hummer H3, produced from 2006 to 2010, was the smallest and most accessible model in the Hummer lineup, designed for off-road capability while sharing a platform with GM's compact pickups.

Initially powered by a 3.5L DOHC 5-cylinder engine producing 220 horsepower and 225 lb-ft of torque, the H3 saw a performance boost in 2007 with a 3.7L engine delivering 242 horsepower and 242 lb-ft of torque.

By 2008, a 5.3L V8 option was introduced, offering 300 horsepower and 320 lb-ft of torque, making it the most powerful H3 variant.

Transmission options included a 5-speed manual or a 4-speed automatic, both paired with a standard 4WD system for rugged terrain.

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

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

2010 Hummer H3 Horsepower

The Hummer H3 features a horsepower range from 239 hp with a 3.7L DOHC 5-cylinder MFI engine to 300 hp with a 5.3L V8 engine that is E85 SFI flex-fuel capable.

Torque output varies from 241 lb-ft with the 3.7L engine to 320 lb-ft with the 5.3L V8 engine, both utilizing a 4WD drivetrain and a 4-speed automatic transmission.

2009 Hummer H3 Horsepower

The Hummer H3 is equipped with two engine options: a 3.7L DOHC 5-cylinder MFI engine producing 239 hp and 241 lb-ft of torque, and a 5.3L V8 MFI engine generating 300 hp and 320 lb-ft of torque.

Both configurations utilize a 4WD drivetrain and are paired with a 4-speed automatic transmission that is electronically controlled.

2008 Hummer H3 Horsepower

The Hummer H3 is equipped with two engine options: a 3.7L DOHC 5-cylinder MFI producing 242 hp and 242 lb-ft of torque, and a 5.3L V8 MFI generating 300 hp and 320 lb-ft of torque. Both configurations utilize a 4WD drivetrain, with the 3.7L engine paired to a 5-speed manual transmission and the 5.3L engine connected to a 4-speed electronically controlled automatic transmission.

2007 Hummer H3 Horsepower

The Hummer H3 is equipped with a 3.7L DOHC 5-cylinder MFI engine, producing a consistent output of 242 horsepower and 242 lb-ft of torque.

This vehicle features a 4WD drivetrain and is paired with a 5-speed manual transmission with overdrive.

2006 Hummer H3 Horsepower

The 2006 Hummer H3 is equipped with a 3.5L DOHC 5-cylinder MFI engine, producing a consistent output of 220 horsepower at 5600 RPM and 225 lb-ft of torque at 2800 RPM.

This vehicle features a 4WD drivetrain and is paired with a 5-speed manual transmission with overdrive.