Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

MPG? Lift? Tires?

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Old Apr 16, 2013 | 01:02 PM
  #1  
Great White11's Avatar
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Thumbs up MPG? Lift? Tires?

Ok, if I do a 4" lift on my H3 and add 35" tires what's the MPG i'd be looking at?
 
Old Apr 16, 2013 | 01:17 PM
  #2  
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for starters you do not need a lift for 35s, and with a 4" lift 35s would look small in my opinion.

As for gas mileage it naturally depends on what motor you have, your driving style, and if your driving city or highway.

realistically expect 12-14 mpg with 35s, and remember if you do go with 35s until you get your computer reprogrammed your mileage will not read correctly (along with your speed)

You need to do a search on here, there is more info then you'll ever need on these subjects already posted.
 
Old Apr 20, 2013 | 08:23 AM
  #3  
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From: monroe, mi
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i have a 4in lift, 1 inch body, 3 inch torsion keys and 2.5 inch shackle for rear and 16x10s with 35 inch tires ( total of 10 inches of lift from stock) and get 10-11 mpg and thats babying it. ( pic is b4 lift)
 
Old Apr 20, 2013 | 08:25 AM
  #4  
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and also the dealership said they could not re-program my ecu for 35s, don't know how true that is....
 
Old Apr 20, 2013 | 08:31 AM
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what about the pcmforless option for reprogramming your pcm? thats what i plan to do and it can be programmed to tire size so the speedo is right......
 
Old Feb 11, 2022 | 02:44 PM
  #6  
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I have a stock 2007 with 35"ers on 20 inch wheel, torsion lift.
15 mpg on highway.



 

Last edited by mikesbaron; Feb 11, 2022 at 03:53 PM.
Old Feb 13, 2022 | 09:59 AM
  #7  
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Thats good mpg, I get 11!
unfortunately the OP hasnt been on the forum since 2013....
 
Old Feb 14, 2022 | 10:11 AM
  #8  
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Another Old Azzed Thread.
 
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