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Thread: Gas mileage

  1. #1
    Sr. Apprentice
    Join Date
    Apr 2008
    Location
    Fresno Ca./Slidell La.
    Posts
    54

    Default Gas mileage

    well in my canyon, turning the 33s im only getting about 14-16 mpg, i was wondering what everyone is getting in the silverados/ sierras with lifted, stock and lowered vehicles. thanks guys

    Edit: sorry didnt see the big section titled "fuel" with the gas mileage topic in it already lol
    Last edited by common dude; 04-28-2008 at 12:31 AM.

  2. #2
    Moderator
    Davandy's Avatar
    Join Date
    Jun 2005
    Location
    Haasdonk Belgium
    Posts
    1,550

    Default

    Welcome to the site
    I also get 15 MPG with the Van
    Peter Smet
    Haasdonk, Belgium

  3. #3
    Legend
    finalday7's Avatar
    Join Date
    Oct 2007
    Location
    Sayward, B.C Canada
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    1,358

    Default

    On my Crewcab with the 4.8 I got 13.5 stock, after 32" tires, 11.8, after Hypertech about 14.5

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

  4. #4

    Default

    I get 17.5 to 18 avg. w/5.3L 2004 Crew Cab "stock" Z/71. About 80% hwy driving.


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  5. #5

    Default

    mines older but I get 11, anyway do you have any pics? i love the look of the lifted colorado/ canyons
    PETE
    95 GMC Sierra 2500
    3" Body Lift, 33" Goodyear MTR's
    5.7L 350 TBI Edelbrock SDT Exhaust, Flowtech Headers, K&N Intake
    Sold :(
    1999 Jeep Cherokee, 3" Rustys lift, 33" BFG MT's, locked, armored: Rolled :(
    2000 Jeep Grand Cherokee Limited. K&N Intake, Custom Kolak Exhaust


    Contact this GMTC Moderator for any problems or questions you may have :great:

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  6. #6
    Jr. Engineer Gmcsuvguy's Avatar
    Join Date
    Dec 2007
    Location
    Alberta, Canada
    Posts
    279

    Default

    I was getting 21mpg when my Jimmy was stock, when I lifted it and put on 31" tires it went to 16mpg, and after the Hypertech it went up to 19mpg.
    Ken Beida
    2010 GMC Sierra Crew Cab 4X4, 5.3L
    2009 GMC Sierra Denali, 6.2L = 403hp, AWD, Full load

  7. #7
    Legend
    TRPLXL2's Avatar
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    Jan 2009
    Location
    Norwalk, Ohio
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    3,359
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    8

    Default

    2005 1500 Silverado 4x4 with a 6" lift, 35" tires. Currently holding steady at 14.3, according to the DIC.
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  8. #8
    Sr. Apprentice ras's Avatar
    Join Date
    May 2007
    Location
    Lebanon, In
    Posts
    54

    Default

    my 99 with 285's and is at about 13.5 but it needs tuned up bad
    99' Z71 extended cab 3 door

  9. #9

    Default

    im getting like 18 to 21
    I]

  10. #10
    Legend tlperry68's Avatar
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    Oct 2008
    Location
    Huntington Beach, CA
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    1,504

    Default

    I want to see the Canyon with 33" tires. I haven't seen that one yet.
    I get between 16 to 24 MPG unloaded and 10 to 16 with 8,000 pounds behind the bumper.
    Trevor - Huntington Beach, CA
    2007 GMC 2500 4X4

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