In 2006, The HUMMER H1 was offered as a heavily modified Alpha model. The HUMMER H1 Alpha model received up to 520 pound-feet of torque from a 6.6-liter Duramax turbo diesel engine. The higher ...

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.

Showing the 2006 Hummer H1 Alpha 4-Passenger Open Top Alpha Wondering which trim is right for you? Our 2006 Hummer H1 Alpha trim comparison will help you decide.

The Hummer H1 was available in three body types: a convertible soft-top version, a closed version known as the 'Alpha Wagon,' ...

For extra power, the 2010 HUMMER H3T was also available with an Alpha trim model featuring a 5.3-liter Vortec V-8 engine mated with a four-speed automatic transmission. Producing 300 horsepower, the ...