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Old 04-24-2013, 03:17 PM   #61
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2012 4dr, 3.21, manual tranny
285/70/17 toyo at2/fuel mavericks
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Filled her up last pm and averaged 19.7mpg mixed driving

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Old 04-24-2013, 03:26 PM   #62
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I have a 2011 JKUR with 5.13's, 2.5" lift, 35x12.50x17 MT-R's, skid plates, aftermarket bumpers and winch and get about 13 around town.

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Old 04-24-2013, 03:31 PM   #63
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Traded in a 2011 V6 Honda Accord that got around 23city and higher on the highway. I knew I was going to take a big dip when I got the 2013 JKU Sport but I don't care because now I have a Jeep so I never check the MPG.

My wife on the other hand checks the MPG every time she gets in the Jeep and makes a comment on how our gas bill went up. But as soon as the top comes off she forgets about it.
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Old 04-24-2013, 03:36 PM   #64
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I get 2 dead dinosaurs and an increase in the ozone hole by 22 sq. ft. per tank. 35" tires really screws up fuel usage and environmental impact.
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Old 04-24-2013, 03:39 PM   #65
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need to update since my last post. I swapped out the 36" toyo OC's on 18's for some 37" Nitto Mud Grapplers on 17's. 13jks still on 3.21 gears. I was expecting a huge drop in MPG, really isnt that bad. real world driving usually gets me 16, but on a flat highway at 60 with cruise control I can get 19.
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Old 04-24-2013, 04:22 PM   #66
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man i must have a lead foot, I rarely see the ECO light come on, and i am at 15.6 on a 13 JKU with only 1100 miles, stock 17's and premium soft top.
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Old 04-24-2013, 04:28 PM   #67
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man i must have a lead foot, I rarely see the ECO light come on, and i am at 15.6 on a 13 JKU with only 1100 miles, stock 17's and premium soft top.
how is that possible? I am on damn near the heaviest 37's made and I get better than that.
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Old 04-24-2013, 04:46 PM   #68
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man i must have a lead foot, I rarely see the ECO light come on, and i am at 15.6 on a 13 JKU with only 1100 miles, stock 17's and premium soft top.
Wow, Mario..... before my lift and tires I was getting 17 in my minivan powered 2011
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Old 04-24-2013, 04:47 PM   #69
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my question exactly, ok i went for a nice gently grandma drive and saw 16.1, but yea that's not my normal driving habit. although on my G8 i just sold i was only getting 16.8
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Old 04-24-2013, 04:51 PM   #70
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although on my G8 i just sold i was only getting 16.8
But didnt that have a V8?
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Old 04-24-2013, 05:27 PM   #71
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need to update since my last post. I swapped out the 36" toyo OC's on 18's for some 37" Nitto Mud Grapplers on 17's. 13jks still on 3.21 gears. I was expecting a huge drop in MPG, really isnt that bad. real world driving usually gets me 16, but on a flat highway at 60 with cruise control I can get 19.
you must hold the record for biggest tires on 3.21's.
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Old 04-24-2013, 06:07 PM   #72
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you must hold the record for biggest tires on 3.21's.
Like that is something to brag about
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Old 04-24-2013, 06:20 PM   #73
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Factory 16" wheels with 3.73 gears and I usually see mpg between 18.5-19.5
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Old 04-24-2013, 06:29 PM   #74
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SonicBoom, maybe we accelerate too quickly for these things. I have a stock JKU Rubi with 3.73s, hardtop, auto, and get about 12.9 city which is most of the driving I do. I live in town that has sadists for traffic light engineers so you end up stopping at pretty much every light even if there's no traffic other than you. If I reset the meter while at speed on the freeway going 75, I see 20mpg. I got the AirRaid cold air intake delivered today and switched to Pennzoil Platinum at 3400miles in hopes of improving the city stats a bit. We'll see.
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Old 04-24-2013, 06:30 PM   #75
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That's a 2013 Rubi, btw!
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Old 04-24-2013, 06:58 PM   #76
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I get a little over 16mpg combined according to my Fuelly stats.

The Jeep (Jeep Wrangler) | Fuelly
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Old 04-24-2013, 07:33 PM   #77
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3.73 gears, 315/70/17 average 15mpg Very Hilly here though, even with the stock tires on the Jeep it stayed in gear a lot longer here than when I was in Va.
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Old 04-25-2013, 12:18 PM   #78
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2013 JKU Sahara - all stock with softtop: I was averaging about 18 mpg (drive 50/50 highway/city), but since filling tires to specified psi my average has increased by more than 1 mpg. Whoopeee

PS
Does anyone know how accurate the Jeep's mpg display is?
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Old 04-25-2013, 12:28 PM   #79
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But didnt that have a V8?
I had the V6, but I did fill up last night and reset the computer then took a drive to pick up a couple of empty 55 gallon water barrels about 30 min from my house, was very gentle on the pedal and did both expressway and city driving, when i got home display read 17.3 mpg
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Old 04-25-2013, 12:32 PM   #80
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There seems to be such a wild swing of differences reported here... Yes I know variables such as altitude and winter gas play a factor, but I'm surprised to see the differences between exactly the same Jeep configurations.

It can be driving style, but I think something else is afoot. Like oil type.

It would be entertaining to do a spreadsheet with the following as a starting spot:

Model
Year
Mileage
Location
Ratio
Winter/Summer gas
City/highway percentage
Elevation change (that could be hard to calculate)
Hardtop/softtop
Octane
Do you have a heavy foot?

Anything else?
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Old 04-25-2013, 12:37 PM   #81
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SonicBoom, maybe we accelerate too quickly for these things. I have a stock JKU Rubi with 3.73s, hardtop, auto, and get about 12.9 city which is most of the driving I do. I live in town that has sadists for traffic light engineers so you end up stopping at pretty much every light even if there's no traffic other than you. If I reset the meter while at speed on the freeway going 75, I see 20mpg. I got the AirRaid cold air intake delivered today and switched to Pennzoil Platinum at 3400miles in hopes of improving the city stats a bit. We'll see.
you sir are correct, I myself think the pedal should be firmly planted on the floor at all times... I also blame, (i might get flamed for this) all the women prioritizing their hair and makeup in the rear view mirror, or posting what they had for dinner the night before, sitting at a green light, and sitting at a green light causes a ripple effect in traffic which causes me to waste more gas!
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Old 04-25-2013, 12:39 PM   #82
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Quote:
Originally Posted by Jeeps_and_Boats View Post
There seems to be such a wild swing of differences reported here... Yes I know variables such as altitude and winter gas play a factor, but I'm surprised to see the differences between exactly the same Jeep configurations.

It can be driving style, but I think something else is afoot. Like oil type.

It would be entertaining to do a spreadsheet with the following as a starting spot:

Model
Year
Mileage
Location
Ratio
Winter/Summer gas
City/highway percentage
Elevation change (that could be hard to calculate)
Hardtop/softtop
Octane
Do you have a heavy foot?

Anything else?
bone stock or bumper/winch/trailer hitch and all the steel upgrades
loaded with people and junk or empty interior
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Old 04-25-2013, 12:42 PM   #83
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I'm still laughing about a post a long time ago that said something along the lines of "The goal is to see how low you can make the MPG go"
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Old 04-25-2013, 01:40 PM   #84
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16, but who cares... that stuff is cheap!!
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Old 04-25-2013, 02:11 PM   #85
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2013 2-Dr Sport with 6-sp and soft top
3.21 with 255/75 17 BFGs
I drive fairly easy most of the time and average a combined 18 or so. Here's a good idea of what I see:
17-20 in the city
20+ highway under 65 mph
19-20 highway 70-75 mph
18 or less 75+ mph
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Old 04-25-2013, 03:17 PM   #86
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I have only had my Jeep a few weeks, i have about 1,500 miles so far.
Here in Jersey the Spring weather can be a bit of a roller coaster. I have definately noticed a differnce in fuel mileage with temparature. Warmer weather = better mileage. I didn't pay a whole lot of attention in physics class but it seems the whole "cold air is more dense and heavier" thing rings true...especially when it comes to our Bricks, I mean Jeeps..
Kind of a catch 22 though, cuz we all know cold air is better for power... AAaahhhh, ya can't win.....
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Old 04-25-2013, 03:44 PM   #87
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2007 2dr Sahara
Auto
4.10 gears
2.5 TF coil/shock lift
35 in tires
12.4 MPG
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Old 04-25-2013, 03:49 PM   #88
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2007 2dr Sahara
Auto
4.10 gears
2.5 TF coil/shock lift
35 in tires
12.4 MPG
that's about what i got in high school with my 85 CJ7 with the 258 straight 6 and a 4 speed, rollin' on a 4" lift and 33" BFG ATs

but back then you could fill the tank with a $20......AND GET CHANGE ! !
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Old 04-25-2013, 04:25 PM   #89
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that's about what i got in high school with my 85 CJ7 with the 258 straight 6 and a 4 speed, rollin' on a 4" lift and 33" BFG ATs

but back then you could fill the tank with a $20......AND GET CHANGE ! !
My DD is a Toyota Tundra 5.7 4x4. It doesn't get much better and has a 28 gal tank. Needless to say, I spend a lot of time pumping gas.
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Old 04-25-2013, 05:04 PM   #90
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you must hold the record for biggest tires on 3.21's.
alright, thats it. I am requesting my build sheet. I have no issues driving this thing!

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