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#10
09-15-2008, 09:22 PM
Hummer Authority
Join Date: May 2006
Location: South Western PA
Posts: 1,433
Re: gas mph 05 vs 08
I am getting about 11.2 around town. Slightly better than my 06. I do have a heavier foot in the 08 since it sounds so damn nice when you get on it. My dad has an 08 also and lives in a rural area and gets upwards of 14 on his.
I will have to pull my manual but I could have sworn that it said hi octane was recommended. I run hi octane in my 08 since it simply runs alot better. Running regular it was sluggish and always hunting for gears. Hi test makes it run like a champ!
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2009 H2 Silver Ice LE
2008 H2 Lux Series, Slate Blue, everything but the air suspension - sold
2006 H2 Lux Series, Uplevel Chrome, DVD's, Slate Blue, Sun Roof - sold
"If Life Gives You Limes, Make Margaritas" - Jimmy Buffett
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