MPG on 2015 Big Horn V6 (gas) CC 4x4

Discussion in 'Engine & Performance' started by Rambo182, Jan 11, 2017.

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  1. Markcuda

    Markcuda Senior Member

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    Location:
    Clinton,Illinois
    Ram Year:
    2015-Laramie-1500-CC-4X4
    Engine:
    5.7
    89 octane gas recommended, 87 octane gas acceptable in my owners manual.
     
  2. Rambo182

    Rambo182 Member

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    Engine:
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    My old 2011 Nissan Frontier 4x4 was awful on gas. It got anywere from 14 to 16 mpg. Terrible for a small truck.

    Also, I thought your name was Theon, not Reek...

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  3. Schmittj22

    Schmittj22 Member

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    Ram Year:
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    Im getting 15.0 mpg with 4 inch lift and 35s. on a 2015 express 3.21 gears. I drive pretty rough.

    MY speedo is off so by 8 mph at 85 and 2 mph at like 35-40. I think I should be getting around 16-17 mpg once I recal my speedo. I wll be tuning my truck next week so we will see if I can improve to 20 mpg.
     
  4. lagerstout

    lagerstout Senior Member

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    Location:
    Somerdale, NJ
    Ram Year:
    2015
    Engine:
    HEMI 5.7
    Seems this is a reunion of sorts. I was in Philly in East Mt. Airy then moved to SJ and bought a house.
     
  5. Cmsharp

    Cmsharp Senior Member

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    5.7 Hemi
    I get about 17.5 mixed on a 2016 crew 4x4 bighorn leveled with stock all terrains. I try to take it easy on the the gas though.
     
  6. Rambo182

    Rambo182 Member

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    Ram Year:
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    Engine:
    V6
    Hemi or V6?

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  7. OnSale

    OnSale Senior Member

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    Ram Year:
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    Engine:
    Hemi 5.7L
    Well I fixed my mpg problem.

    When I first bought my truck it had the stock 20" silver 5 spoke wheels. I was getting 15+ mpg.

    Once i put on my 20" ATX Justice Wheels with the big ass Cooper tires my mpg dropped drastically to 10.5-11.8 mpg.

    About 3 weeks after i put on the ATX wheels I traded them for a set of Stock 20" Chrome clads. My mpg was still around 11.5mpg on average. Nothing improved.

    Well about 2 weeks after putting the chrome clads on, I decided to hit reset on the mpg meter and immediately it shot to 30 mpg lol!!! It went back down but now I'm steadily at 15.6-16.5 mpg and it's been staying there for 3 or 4 days now.

    So finally I'm getting the mpg I thought I should be getting compared to everyone else on here with hemis. I think my truck was "stuck" on the mpg it was getting with the old rims and big tires. As soon as I reset the mpg it was immediately higher reading. I even got it upto 19.8 at one point on the highway

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  8. Rambo182

    Rambo182 Member

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    Engine:
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    What is your average mph on the reset tripometer? Mine was actually 25mph which I think is odd since most of my driving is Rt 1. Probably explains why I am getting 17mpg though.

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  9. Sportznut

    Sportznut Senior Member

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    2014
    Engine:
    Hemi 5.7
    Could extended idling time been an issue?

    I know with the frigid weather that we have been having in my area I tend to leave my truck running longer especially since I just bought a remote start.

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  10. Rambo182

    Rambo182 Member

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    Engine:
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    I think it is part of the problem. I try to warm it up for no more than 5 min. Sometimes that is around 10 min though. Probably zaps my mpg's.

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