Terrible 2.0 gas mileage?

LeodaJeep

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I have a 2018 JLUR, 2.0 with stock suspension and tires, steel bumpers, and winch(just added less than 100 miles ago)

After 1300 miles, ~600 highway the rest city, I’m averaging 13.4 MPG! (calculated by the Jeep) One of the main reasons I chose the 2.0 was for the fuel economy but this seems like a 3.6L average. No, I didn’t expect the stickered 22-24 but I did expect it to be in the high teens and maybe over 20 on the highway.

What are you averaging? Thanks!
Getting 20.4 average. Lovin it too. Switched from a Denali that required premium and got 12.8mpg. Rubicon with steel bumpers and a winch which = another person in the vehicle. Lighten up on the high-speed and you may be a happier Jeeper.





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aai

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24k miles in 9 month of ownership. Averaging 19mpg currently and saw a slight increase when I broke 18k miles. Maybe taking it more easily on the go pedal. But this thing absolutely rips, you really notice or appreciate the extra torque when towing and or going bigger tires from stock. Dropping the oil every 5k miles which is a 15 minute job.
 

Rploaded

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I get 12.0 but I have a 60/80 setup turning 41.5” tires and full steel all around. Very happy with it!
 

four low

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My stock 2018 Sport 2 door,, hard top, Bridgestone A/T tires, gets mid to high 20s. The sweet spot is 55 mph, rural driving. That's 6- 10 mpg better than my 2015 JK Sport, manual transmission..
It's just plain fun to drive, that's "priceless". Just over 10,000 miles now
 

J-Gator

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I'm getting about 20-24 mpg in my 2020 JLU with one touch top mixed driving in South Florida (so pretty congested). Actually long periods on the highway hurt the mileage as at 75 mph it is returning just over 20 mpg.
 
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Budagreg

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24k miles and 20.2 mpg average.
2018 Rubicon stock on 93 octane.
Low was 8.12 mpg during a Jeep Jamboree (4 low)
 
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L8Knight

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Question for the group: I have a Shara 2.0. When stock I was getting really good mileage on the highway. Probably about 10.5 l per hundred Kms/20ish mpg. I've since lifted it 2 inchesand put on 33.6 inch tires. I have not had the computer adjusted for the changes. My millage has tanked hard!!! Gone to 15 l per hundred Kms. A 50 percent increase for 2 inches bigger tires?? I can see that the jeep never seems to reach 8th gear anymore. Whether it doesnt have the balls, or the computer is confused I don't know. Being new to bigger tires, is this normal? And is updating the computer super important for the transmission to do its job properly?
Thanks
 

Zandcwhite

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You absolutely need to update the computer for tire size. Your speedometer and odometer are both of because the computer thinks every revolution travels >10% less distance than it actually does. Shift points will also be off. There are many products on the market to recalibrate for tire size. The tazer has many additional features on top of tire size correction.
 

palumbum

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I have a 2018 JLUR, 2.0 with stock suspension and tires, steel bumpers, and winch(just added less than 100 miles ago)

After 1300 miles, ~600 highway the rest city, I’m averaging 13.4 MPG! (calculated by the Jeep) One of the main reasons I chose the 2.0 was for the fuel economy but this seems like a 3.6L average. No, I didn’t expect the stickered 22-24 but I did expect it to be in the high teens and maybe over 20 on the highway.

What are you averaging? Thanks!
I have an extremely light foot on my 2020 2.0 unlimited sport (no hybrid). I have 1,000 miles on the tank, my overall avg is 27mpg including some city (35%) but I get about 31 mpg at 55-60mph cruise control or not. I also use 87 octane.
 

Go Outside

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2020 sport s willy 2.0 900 miles at 19mpg. Heavy foot, 75-80 on the freeway. Up and Over a 2500’ pass twice a day.
 

ASMSAS

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I’ve got now 6000 on my ‘19 2.0 Stock Rubicon. Goes easily 85 but fuel drops to 15 mpg. 21 mpg at 70 and 24 mpg at 60-65
 

SleepEatJeepRepeat

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I hit 5k miles and my mileage has increased too 16-19 miles per gallon from 10 when I first got it, no change in driving, if anything’s conservative now... there is hope people
 

78cj7-18lj

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After 6 months and 3500 miles I'm averaging better than 20mpg. You must remember it's a 5000lb box. I drove a 2010 Mazdaspeed3 2.3 turbo for 9 years, it was much more aerodynamic, near 1000 lighter but the best I could do was about 19mpg average. I'm very happy thus far and love my 2nd jeep just wish I hadn't waited 37 year's to get it.
 

TrailJoy

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My milage is getting worse and worse by the day, but I'm attributing it to the extreme cold and possibly my new tires (we increased the tire size by 3").

Currently around 800 miles, I'm getting about 14 mpg in the city (current temp is -39c). Lots of small hills (and a few big ones), compact snow and ice on the road, and the occasional unplowed side street. I have a very light foot, but heavier has been needed to get up the hills in the cold (which also means the engine is revving higher than it would be until it warms up completely).

Ugh. Hopefully it goes back down after this cold snap!
 

78cj7-18lj

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I have also noticed if a headwind(15kt +-)is present that I will loose 8th gear. In these conditions the 2.0t @75mph will average much greater fuel consumption
 

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