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Old 08-17-2013, 10:34 PM   #421
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21 mph on the highway.

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Old 08-18-2013, 12:56 AM   #422
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I get 20 avg.. 24 is my best... 13 sport 3.21 gears stock 17/stupid stock tires

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Old 08-18-2013, 03:09 AM   #423
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I got 20 mpg on the highway today!
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Old 08-18-2013, 04:12 AM   #424
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2013 gets 20.4, 6 spd average in highway/city... 85 octane, no lift (yet) 3:73's... I drive angry on occasion... Just sayin..
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Old 08-18-2013, 04:20 AM   #425
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I get about 15 hwy, but i have 35s, 3:73s....
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Old 08-18-2013, 08:53 AM   #426
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I get 21-22 on the highway at 65 in my 13 2 dr ruby auto with 4:10.
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Old 08-18-2013, 09:03 AM   #427
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I just went through 12 tanks of fuel over our 10 day vacation. 2 Adults and about 500 lbs of gear. 2011 JKU Rubicon with 35's and 2.5" lift. Off road with both lockers I got about 9 mpg (running 10 psi). Hwy I averaged about 15 mpg. I ran everything from 92 octane with 10% ethanol to 85 octane with no corn byproducts.

Once I got above 2700 rpm's she just sucked the fuel on the Hwy. Once I dump the 410's & 35's for 538's & 37's I suspect I won't want to keep track of the fuel mileage...lol
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Old 08-18-2013, 09:14 AM   #428
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I just came back from a trip from NY to MD and heading south I averaged 22.5 on my 2012 Rubi. Coming back north I averaged 21.5. I was really surprised that I actually got good mileage on the trip.
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Old 08-18-2013, 09:23 AM   #429
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My 2014 Unlimited 17" rims and a 3.73 rear did 20.5 mpg on first tank (calculated, EVIC said 21.1). That was probably 20/80 city/highway.
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Old 08-18-2013, 09:27 AM   #430
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2013 JKU, auto, stock 17's, 3.73's. If I keep my foot out of it I can average 19.5 mixed city and freeway.
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Old 08-18-2013, 03:27 PM   #431
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I am! With sahara tires... I have a rubicon w/ 4:10's and a 4:1 rocktrak and my first 700 miles I was getting advertised 20ish, but then It started dropping to 15ish. I chalked it up to winter gas but when summer rolled around, no increase. I rotated at 5000 miles, still no go. I then bough a set of sahara rims and tires, BAM! 20.9 average on a 900 mile trip. I also realized my rubicon tires were over inflated to 45 pounds from the factory.
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Old 08-18-2013, 04:16 PM   #432
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...I also realized my rubicon tires were over inflated to 45 pounds from the factory.
What tire pressure are you running now?
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Old 08-18-2013, 06:02 PM   #433
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Stock on a long drive over the weekend, computer read 11L/100km = ~21.3 mpg
assuming the computer is accurate
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Old 08-24-2013, 05:43 AM   #434
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Avg 20-21mpg completely stock
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Old 08-24-2013, 06:39 AM   #435
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2012 JKU Sport. 3.73. Manual. Stock.

Avg. MPG 20.9 city and highway.
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Old 08-24-2013, 09:15 AM   #436
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Just got back from a trip thru BC/Alberta where the speed limits are slow with a lot of ups and down and was worst hand figured tank was 18.8mpg and best just under 22mpg.
2013 JKU auto and 3.21's.
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Old 08-24-2013, 11:38 AM   #437
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pfft...you guys and your penstars...i have the crappy 3.8 and on the same trip as Matador, i got about 22 mpg and i have the 4 door...o and i have the crappy 3.21 gears and a 2" lift with 35's....maybe it was because i have the manual transmission...
*pentastar
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Old 08-24-2013, 07:48 PM   #438
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I average 18mpg at best but I beat on it pretty good in town and usually am around 75mph on the hwy. 2013, 3.73's, stick, Rubicon take off's.
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Old 08-24-2013, 08:14 PM   #439
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My average over 10k miles is 20.7, that's pretty much 50/50 city highway. Straight highway I can do much better. On a recent trip to sleeping near dunes national lakeshore I averaged 24-26 over 900 miles. I have a 13 JKU manual 3.21 stock SRAs.
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Old 08-24-2013, 08:54 PM   #440
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Sport with stock wheels, 6 spd, and 3.21geers. My average over 3400 miles is 23.1, but I don't do 70 on the interstate, I keep it at 60 and enjoy the ride.
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Old 08-27-2013, 12:54 PM   #441
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With the stock sra's I averaged 21mpg with 3.73 and now with 33"x12.5 I'm down to around 19
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Old 08-27-2013, 01:19 PM   #442
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2013 2DR with AEV front and rear bumper getting in between 20 at max and 14 min depending on my driving like an old lady or Michael Schumacher. Anything over 70 just eats away at the mpg.
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Old 08-27-2013, 02:48 PM   #443
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Getting 21 to 22 with a JKUS with 3.21 gears....mostly mixed driving. Traided a 2010 vw Tiguan which got 24 to 25...not bad!
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Old 08-27-2013, 04:41 PM   #444
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Quote:
Originally Posted by Wheelerbob View Post
I get 21-22 on the highway at 65 in my 13 2 dr ruby auto with 4:10.
This is consistent with my results in a 13 JKUR 6-speed with 4:10 & stock wheels/tires. If I keep it around 60-65 I can get 21 mpg or a hair better. If I wick it up to 75, mileage drops to 18-19.
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Old 09-04-2013, 09:08 AM   #445
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New 2014 owner. 3.73, 6 speed, 2dr sport. With 16" steelies
I got 1200 miles on it now and no matter where I'm driving I barely get 18mpg.
I've even reset the evic before getting on the highway, driving at 65mpg, I barely get 18mpg! Driving arounf town? still 18mpg! All 4 tires came in inflated at 39psi. I don't drive it hard at all either.
Seems like I should be doing at least a little better on the highway.
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Old 09-04-2013, 09:26 AM   #446
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When I got my 13 JKUR. 3.73's auto. It got amazing 19 to 20 mpg on the freeway. Then I found the TPMS button and found my tires at 47 psi. I checked them and sure enough 47. I dropped the pressure to 35. Way better ride instant drop to 17 mpg.
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Old 09-04-2013, 05:17 PM   #447
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22mpg

2012 Unlimited mostly stock. 22,000 miles. Getting 22 on the highway, average is around 20.5
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Old 09-04-2013, 05:22 PM   #448
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2011 wrangler sport. 24 mpg on the highway no modifications all stock.
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Old 09-04-2013, 06:54 PM   #449
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Stock 10A in town just calculated it...13.9MPG
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Old 09-04-2013, 07:43 PM   #450
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Only 400 miles on my 2014 JKU Sahara with 3.21 and stock tires and got 21.5 on a 3 hour mostly highway trip to New Hampshire. Not bad for the first trip. Been cruising around town and still average about 19.

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