Overview & Reviews

The Hummer H1 receives a number of important drivetrain improvements this year. Now labeled H1 "Alpha," the truck features a new 6.6-liter turbodiesel V8 good for 300 horsepower and 520 pound-feet of torque. This output is considerably better than last year's 205 hp and 440 lb-ft of torque, and GM says the new engine delivers better fuel economy, too. A new five-speed automatic transmission is also part of the package. It replaces last year's four-speed transmission and delivers a better low-speed crawl ratio and a higher maximum tow capacity. Other supporting changes to the driveline include stronger half shafts, bigger brakes and a new design for the H1's geared hubs that's said to improve smoothness during deceleration and stopping.

• Unsurpassed off-road ability, major-league attention-getter.

• Drives poorly on the street, not much passenger room for such a big vehicle, high price.

User Reviews:

Showing 1 through 6 of 6.00

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  The Best - 2006 Hummer H1 Alpha
  By zokoye williams - December 1 - 11:03 am

  It allowed me to explore that part of the world we live in. that part is the wilderness and the mountains. I could not do it with out the hummer vehicle. It had all the features of most luxury cars and the workload better than any other vecihle known to civilian world.

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  Best Vehicle of the 21st CENTURY! - 2006 Hummer H1 Alpha
  By Joshua - November 27 - 6:23 am

  I live southwest florida on the outskirts of the everglades. i go off- roading with my friends all the time may i say i have not yet seen a single flaw with this vehicle nor has it ever gotten stuck in mud, sand, water, ETC. while all of my friends are struggling to get out of mud holes the 12,000 lbs. winch does the job in less than a minute. i have never doubted this vehicle nor should anyone else. why do you think the worlds strongest military uses this vehicle.

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  Lovin the Hummer - 2006 Hummer H1 Alpha
  By dwace - August 30 - 5:33 pm

  Great vehicle period. I wish it was more popular but unfortunately theres too many haters out there.

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  H1 all the way - 2006 Hummer H1 Alpha
  By Hummer H1 Wagon - May 1 - 11:10 pm

  I have been driving H1s since 1995. I have another vehicle that I drive most of the time, but it is good to have the ultimate off-road vehicle at your disposal - knowing that in this uncertain day and age, I can go anywhere any time I want - whether to the grocery store, or in a life saving situation.

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  Damn near the best vehicle ever made. - 2006 Hummer H1 Alpha
  By DsrtRaider777 - April 19 - 10:06 pm

  For sure the best vehicle ever made for off road use. I would say the 2006 H1 will not be the last year of the civilian H1 production. Gm show room needs a H1 in it every year as well as every Hummer dealership needs one H1 to make the H2 and H3 look better.

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  Sweet Ride. - 2006 Hummer H1 Alpha
  By dwace - January 8 - 6:40 am

  I love the H1 and would not trade it for the world. Its a shame that such a great ride is hated at all...