H3 Gas Mileage
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H3 Gas Mileage - 12/3/2008 11:04:24 PM
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PharmGirl
Posts: 9
Joined: 12/3/2008
Status: offline
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Just curious what kind of gas mileage everyone is getting with their H3s. I bought a 2008 H3 in September and am only getting about 15-16 mpg and do most of my driving on the highway. I know it can take a while to get "broken in" but I was expecting more like 18-19 mpg. Thanks!
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RE: H3 Gas Mileage - 12/4/2008 4:36:10 AM
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mikehartigan
Posts: 46
Joined: 10/10/2008
Status: offline
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I got my ''08 H3 in September. I''m doing a pretty consistent 18-ish around the ''burbs - a bit less since the cold set in. Other than a couple of expressway trips into the city, I really haven''t had it on the road yet, so I can''t comment on highway mileage. I''ve got the 5-speed and, while far from a hypermiler, I''m constantly using some of the tricks I''ve learned over the years - coasting to red lights and on downgrades, etc. A ScanGauge displaying instantaneous MPG helps quite a bit. With it, you get instant feedback for each tweak in your tecnique.
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RE: H3 Gas Mileage - 12/4/2008 5:43:35 AM
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Assass1n
Posts: 18
Joined: 12/3/2008
Status: online
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I drive mostly highway with only a little city, somewhere around 80/20. Like you I got around 16 mpg when I first got my H3. After the break in period, about 500 miles or so, I averaged about 18 or 19. I did take a trip to Tennessee and averaged between 19 and 20 while on I-81. I also have the 5 speed, so your mileage may be less if you have the 4L60-E slushbox. Oh GM, why don''t you see fit to install the 6L50 into the H3?
_____________________________
''07 Black H3, stock with 33" Cooper STT''s
''84 Chevy Monte Carlo SS, gunmetal Blue
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RE: H3 Gas Mileage - 12/4/2008 5:57:18 AM
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BMJM100
Posts: 151
Joined: 12/19/2005
From: Ma.
Status: offline
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I just got back from taking a trip from central Mass to Canada, 270 miles each way and I used just over 3/4 of a tank of gas each way. I figured it to be just around 18. Now I am also running 35''s and a CAI kit. Cruise control was set at 70 for the most part driving pretty conservative.
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Bruce
06 H2 SUT, White w/black int. Adv. Pkg.
06 H3 Adventure Pkg, Off-Road Pkg, leveling kit, 35" BFG''s SOLD
06 Infiniti FX35
05 Lotus Elise FOR SALE
06 Ski-Doo
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RE: H3 Gas Mileage - 12/4/2008 7:40:04 AM
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Doc Olds
Posts: 3881
Joined: 7/11/2007
From: Boat Town USA (Michigan 48045)
Status: offline
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This mileage question for H3s is has been asked and posted like 462 times. Please try to use the search feature before posting common repeats. 
I get 18.5, does not really matter city of Hwy. I never go faster than 75.
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RE: H3 Gas Mileage - 12/4/2008 4:28:27 PM
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PharmGirl
Posts: 9
Joined: 12/3/2008
Status: offline
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Thanks for the tip, Doc... I started looking through the threads and didn''t realize I could just do a search!!!
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