I would say go with an 07 for the warrenty, HP, and the fact that many 06 models had a cylinder head issue. ButI don't really care for the engine oil life monitoring system. It can't tell the difference between regular and synthetic.

 

And da winna..................TheGunny Ret. Man that was a monstor post, but it covered the guts!!!!! Warranty is a biggy too. [sm=smiley20.gif]

 

Awesome, thx for the info and the detail!

 

My 2 Cents worth...

[ul][*]Engine-bigger=better[*]DRLs- Moved from the parking lights to headlights[*]Moved window controls from arm rest forward-Mid 2007 change[*]Moved pedals to be more ergonomic[*]Minor internal changes inside the auto trans.[*]Stopped making Yellow[*]Fixed radio **** problem of printing coming off dials and *****[*]Child door locks in back.[*]OnStar turn by turn navigation! Who needs a GPS?[*]Passenger sensing Air Bags in front.[*]
(Courtesy GM) New for 2007
[ul][*]Vortec 3.7L I-5 inline five cylinder with 242 horsepower (180 kW) at 5600 rpm* and 242 lb ft. of torque (328 Nm) at 4600 rpm*[*]H3X model with chrome elements and two exclusive colors[*]StabiliTrak now standard on all H3 models, previously standard only on automatic[*]Chrome wheel for 33-inch tire[*]Midnight Blue exterior finish replaces Superior Blue, and Shadow Green exterior discontinued[*]Ebony/Green cloth interior is discontinued[*]
(Courtesy GM) New for 2008 http://media.gm.com/us/hummer/en/product_services/r_cars/r_c_h3/index.html
[ul][*]H3 Alpha – newest model in the performance-bred Alpha series[*]Powerful 5.3L V-8 powertrain offers 300 hp (224 kW)*[*]Maximum towing increased to 6,000 pounds (2,721 kg) – a 33-percent increase[*]Unique exterior and interior features, including Alpha badging[*]Rear door child safety locks (interim ’07)[*]Relocated power window switches (interim ’07) [/ul][/ul][/ul]
And that's all I have to say 'bout that.