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2015 Jeep Wrangler JK thoughts…

Posted on 9/27/25 at 2:11 pm
Posted by xBirdx
Member since Sep 2018
2108 posts
Posted on 9/27/25 at 2:11 pm
133k miles, 4 door, hard top, $15k

Any thoughts on reliability, issues, etc…?

In the market for a vehicle for my son…

Thanks in advance!
Posted by SaDaTayMoses
Member since Oct 2005
4534 posts
Posted on 9/27/25 at 3:19 pm to
quote:

4 door
Posted by beerJeep
Louisiana
Member since Nov 2016
37660 posts
Posted on 9/27/25 at 4:24 pm to
If it’s been modified any, I would have an off road mechanic look at it. Also make sure the speedometer is accurate. Some people don’t have the speedometer reset for larger tires and that can hide tens of thousands of miles depending on how long they’ve had it on bigger tires.
Posted by xBirdx
Member since Sep 2018
2108 posts
Posted on 9/27/25 at 4:35 pm to
I’m assuming you mean odometer?

So the bigger tires make it say less miles?
Posted by cgrand
HAMMOND
Member since Oct 2009
46068 posts
Posted on 9/27/25 at 5:02 pm to
my wife’s 2012 JK is at 350K and still rolling. The pentastar engine is a winner
Posted by Runnin Mullet
NW Alabama
Member since Oct 2016
74 posts
Posted on 9/27/25 at 8:16 pm to
I’m at 160K miles and running strong lifted on 35’s. If it’s has been maintained it is good to go.
Posted by beerJeep
Louisiana
Member since Nov 2016
37660 posts
Posted on 9/27/25 at 9:04 pm to
quote:

I’m assuming you mean odometer?

Changing to larger tires makes your speedometer read slower than your actual speed, and your odometer record less mileage than actually traveled, because the tires cover more ground with each rotation.

Easier to spot by the speedometer being off
This post was edited on 9/27/25 at 9:05 pm
Posted by W2NOMO
Member since Jul 2025
1457 posts
Posted on 9/27/25 at 11:05 pm to
I’ve got a 2014 JK Sport. 2-door soft top bought new. 80k miles. AMA.
Posted by Sam Quint
Member since Sep 2022
7997 posts
Posted on 9/29/25 at 9:24 am to
2 doors + 3 pedals or gtfo

viva la square headlight revolution
Posted by Sam Quint
Member since Sep 2022
7997 posts
Posted on 9/29/25 at 9:25 am to
quote:


my wife’s 2012 JK is at 350K and still rolling. The pentastar engine is a winner

holy smokes your wife drives alot
Posted by cgrand
HAMMOND
Member since Oct 2009
46068 posts
Posted on 9/29/25 at 9:36 am to
back and forth Hammond to BR for ten years plus. Not no mo’ though
This post was edited on 9/29/25 at 9:37 am
Posted by White Bear
SPECULATION
Member since Jul 2014
17121 posts
Posted on 9/29/25 at 9:59 am to
quote:

my wife’s 2012 JK is at 350K and still rolling. The pentastar engine is a winner
Belongs in the Jeep museum.
Posted by TideHater
Orange Beach AL
Member since May 2007
19793 posts
Posted on 9/29/25 at 10:08 am to
I have a 2016 JK 2 door with 77k on it. I have had zero issues. I baby it.
Posted by cgrand
HAMMOND
Member since Oct 2009
46068 posts
Posted on 9/29/25 at 10:10 am to
maybe so

this is her second JK and both have been flawless. I have a 2022 gladiator runs like a top at 90K. Either we got the only two pentastar engines that last or it’s a fine reliable power plant. I think the latter is more likely

we will be replacing her engine sooner than later (she likes the low tech model she has) but we more than got our money’s worth
Posted by inotsure
Member since Apr 2021
157 posts
Posted on 9/29/25 at 10:55 am to
Wife put 240k on her 2014 jku all original driveline. No issues out of it until it started ticking at 240k, can still run and drive. Bought a bronco a few months ago as change of pace. I’m currently at 128k and no issues on a 23 gladiator. The pentastar is a reliable engine.
Posted by BigBinBR
Baton Rouge
Member since Mar 2023
8961 posts
Posted on 9/29/25 at 10:58 am to
quote:

I’m assuming you mean odometer?

So the bigger tires make it say less miles?


It's can be a sign that a lift/adding larger tires was done cheaply. A correctly installed lift for the JK they should have updated the computer to correct the spedo and odo.

You can check it pretty easy during a test drive though. Open a GPS app like google maps and then compare your true speed on the app to the speedo. If it's off then it wasn't updated. Take the percent it is off and then multiply the current mileage and add that to the total miles on the vehicle to get closer to what the true number is.

Also anyone telling you that anything after 1997 has a lot of miles on the odo because "it was towed behind an RV" is lying. The 95 YJ was the last year of the mechanical odo.

quote:

Any thoughts on reliability, issues, etc…?


2015 is generally considered one of the best years for the JK (if not the best). You are still going to have the problems like pretty much all jeeps like random leaks, but the biggest issue for that year was the throttle position sensor. It's easy to fox yourself by watching a youtube video, but it's not very expensive even if you get reputable mechanic to fix it if you aren't mechanically inclined.

As a previous poster mentioned, if it is modified at all and you aren't familiar with Jeeps, bring it to an legit off-road shop for an inspection. They may charge you $150, but it's well worth it if they find a major problem with parts or installation before you buy it.
This post was edited on 9/29/25 at 1:34 pm
Posted by jake wade
North LA
Member since Oct 2007
2297 posts
Posted on 9/29/25 at 10:59 am to
The pentastar is a good engine. Stay up on oil changes and keep a close eye on coolant level. I have 112,000 on mine. I just changed the plastic thermostat housing for a leak. That’s the only repair I have had to do to it.
Posted by joeyp
destrehan,la
Member since Nov 2008
193 posts
Posted on 9/29/25 at 11:52 am to
Not sure if you'd be interested but my sister has a 19 wrangler unlimited for sale right now with 81k for $21500. I don't have a link but its on marketplace and know it hasn't been ragged out.
Posted by Sam Quint
Member since Sep 2022
7997 posts
Posted on 9/29/25 at 12:26 pm to
quote:

96 YJ

no such thing
Posted by BigBinBR
Baton Rouge
Member since Mar 2023
8961 posts
Posted on 9/29/25 at 1:34 pm to
quote:

no such thing

Yeah you are right. YJ was 87-95. TJ was 96-06
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