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Thread: 3.6 or 2.0?

  1. #1
    Hooked Braxtonsag's Avatar
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    3.6 or 2.0?

    Iím looking into trading in my jk and building a similar jl but one thing that has me stuck is which engine to go with. The mpg potential of the 2.0 really has me leaning that way but I KNOW the 3.6 is a great engine being that I have one and itís yet to give me any problems.

    I live in the center of indiana and only get to play in the west one month a year. We travel a lot so the gas mileage is kind of a big deal if itís not much of a performance sacrifice.

    Iv done some searching and everything Iíve found was from early 2018 before anyone really got any hands on experience with the jl, so wondering if anyone has some updated info that could help sway my decision!


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  2. #2
    Resident Smartass OverlanderJK's Avatar
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    The 2.0 isnít all that great on gas.


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  3. #3
    Knows a Thing or Two Dale72's Avatar
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    Mine has the 2.0 but I haven't been home much since I bought it

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  4. #4
    Hooked Braxtonsag's Avatar
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    Quote Originally Posted by OverlanderJK View Post
    The 2.0 isnít all that great on gas.


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    Iím sure itís better than the 12.5 I hover around lol


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  5. #5
    Addict jesse3638's Avatar
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    Quit stopping on it and accelerate gently and you can get between 14-15...haha. That's what I hover around on running 4:10's and 35's (BFG's)

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  6. #6
    Addict Napalm's Avatar
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    3.6 or 2.0?

    I went back and forth on this debate quite a bit before buying my JL... and I ended up going with the 3.6L. I donít have anything negative to say about the 2.0L, but I just wanted what I knew. Iíve owned a lot of Jeeps with the 3.6L, and just felt much more comfortable with that. Granite, I did average 17mpg on my road trip recently... and I am completely stock. The real star of the show is the 8spd.. but thatís another story for another thread.

    If it goes anything like my search did, youíll beat yourself up looking for a definitive answer on the internet to help you decide which engine is best. Unfortunately, there isnít one. Test drive both of them, choose the one that works best for you. There are advantages and disadvantages to both of them I am sure.

    Good luck in your search and be sure to let us know what you decide!


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    Last edited by Napalm; 06-25-2019 at 02:40 AM.

  7. #7
    Addict Ddays's Avatar
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    If the choice was simply between a 2.0t and the 3.6 V6, it might come down to what you like best. But the added complexity of the 2.0t being a mild hybrid is what pushed me to the 3.6. The other reason I chose the 3.6 is longevity. I know the Pentastar v6. This is my 3rd vehicle with it. My '12 Durango now has 255k miles on it and I do not burn oil and haven't touched the drivetrain since new. I keep vehicles a long time and rarely get rid of them until they're well over 200k miles. I couldn't get reassurances from anyone that the 2.0 would have the same durability.

  8. #8
    Old Timer wjtstudios's Avatar
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    Iíve had the opportunity to drive the 2.0 in a JLU Sahara for about 2,000 miles this month. 1500 miles of that was in New Mexico above 7k. We averaged 29 mpg running around up there. The last 500 has been with my dads JLU Sahara on 33s closer to sea level. He and I are averaging about 26 mpg. I agree with Ddays about the unknown complexity of the 2.0, but after driving it a ton this month I liked it enough to have my dad buy his with it. Heíll never build it above the 33s we put under it, So i donít have much insight on a built Jeep with a 2.0. His plan is to tow it out west behind his RV and tour the National Parks and explore the back roads.

    Short of running mountain roads we ran, weíve had limited trail use. Iíll have his up on Drummond in August. Weíll give it a run then and try not to scratch it. Itís a bit too pretty for me.


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  9. #9
    Knows a Thing or Two RockinAZJK's Avatar
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    I have no experience with the 2.0 but Mel seems to like it. He got high 20s stock pre running the GladiatorX I think. And I remember he posted a while back that he actually preferred the 2.0 over the 3.6 or a v8 on the hwy but liked the bigger non turbo engines Offroad.


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  10. #10
    Hooked Braxtonsag's Avatar
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    Iíll stick with the 3.6 then. Iíd rather not take the chance and end up regretting it. I know Iíll be much happier regardless with the 8 speed and supposedly the 3.6 was ďslightly reworkedĒ for better fuel economy. Not really sure what all that entails.

    Well on to the next subject then, I am planning on keeping my wheels, tires, bumper, and winch from the jk and Iíll need a lift. Rather than buying a whole kit Iím leaning towards piecing one together. As of right now Iím thinking Core 4x4 Tier 3 front lower and rear upper arms, Evo springs, havenít decided on extended end links or track bar yet because ideally Iíd like to keep oem and run raised brackets if possible.

    Or if anyone knows of a decent kit that includes everything Iím not opposed to it. I just prefer mostly maintenance free and quality parts. After having my rock krawler kit Iím good on having to buy special expensive grease thatís hard to find and keeping it on hand all the time.

    Anyone have any input?

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