Seems high for a 3.6. My 4L inline TJ got around that, and the 3.8JK gets around 15km/L with just local driving here in the Mountains. (With the extra gear on it.) Lower when sitting on 100 on the motorway, or longer trips that aren't stop/start.
I had a 14 Rubicon on a big lift with 35s, roof rack, bullbar, sliders and a heavy ass Kaymar rear bar on it and it did around 17 litres per 100km with me caining it everywhere. I would expect a stock one to do better than that.
Put a couple of tanks of 98 (with no ethanol) through it and drive it aggressively everywhere (plenty of trips to the redline). Make sure your tyres have plenty of pressure in them, make sure the air filter isn't super dirty and if its auto make sure the torque converter lock up is functioning properly. After all that go back to normal fuel (no ethanol) you should be able to get at least 13-14 litres per 100 around town and 11ish on the highway.
Has your fuel economy always been that high? Do you do a lot of city driving or in slow traffic?
My modded 3.6 JKU sport gets around 14L/100km daily based on the dash readout, 15-16L/100km when towing and usually around 18L/100km off-road or on the beach.
__________________
The average human walks 1,500km per year and drinks 83L of beer which means we're getting 18km/L.
AJOR does not vouch for or warrant the accuracy, completeness
or usefulness of any message, and are not responsible for the contents of any
message. The messages express the views of the author of the message, not necessarily
the views of AJOR or any entity associated with AJOR, nor should any advice
be substituted as technical advice replacing that of a mechanic. You agree,
through your use of this service, that you will not use AJOR to post any material
which is knowingly false and/or defamatory, inaccurate, abusive, vulgar, hateful,
harassing, obscene, profane, sexually oriented, threatening, invasive of a person's
privacy, religious, political or otherwise violative of any law. You agree not to post any copyrighted
material unless the copyright is owned by you or by AJOR. The owner, administrators
and moderators of AJOR reserve the right to delete any message or members for
any or no reason whatsoever. You remain solely responsible for the content of
your messages, and you agree to indemnify and hold harmless AJOR, the administrators,
moderators, and their agents with respect to any claim based upon transmission
of your message(s). The use of profile signatures to intentionally mislead or misdirect any member on this forum is not acceptable and may result in your account being suspended. Any trip that is organised through the AJOR forum is participated
at your own risk. If you or your vehicle is damaged it is your responsibility,
not that of the person that posted the thread, message or topic initiating the
trip, nor the organisers of AJOR or moderators of any specific forum. This forum
and associated website is the property of AJOR. No user data is harvested and no information supplied in your registration will be sold for profit.
JK 3.6l fuel economy
The Kon
