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Old 06-21-2013, 09:32 PM   #211
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my average currently says 20.3 with 294 miles on this trip meter since last fill up. gas light just came on.

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Old 06-21-2013, 09:55 PM   #212
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Mine sure did when it was stock. In fact when I was driving down country roads at about 55 mph it would get more like 22. I know you've heard this before but it's a lot about how you drive; not accelerating just to have to immediately brake, tire pressure, oil changes, seafoam, air conditioning, air filter etc etc. I get about 18 mpg now though lol (4inch lift and 35s).

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Old 06-21-2013, 10:05 PM   #213
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Mine says 20.2 average. Mixed city and highway. I am pleased with it.
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Old 06-21-2013, 11:44 PM   #214
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I can rock 22 most of the time I'm very light on the gas but that the stock sra tires on
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Old 06-22-2013, 12:52 AM   #215
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Cool Ahem...

Quote:
Originally Posted by Johnny Vintage View Post
At least you guys in the States get somewhere close to the milage ratings that were on your window sticker.

Up here in Canada they have a different way of rating the gas milage.

My window sticker on our 4 door Altitude reads
22 CITY / 30 HWY

Everytime I get in the Jeep and do the milage check, it's at a pretty constant 16 MPG.

They must rate them up here coasting down the Rocky Mountians in neutral, with the engine off and with a 50 mile per hour tail wind.

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Fellow Canuck, keep in mind our gallon is bigger and the fuel computer yields U.S. MPG. you can add 20% to whatever its reading. I don't think it will yield 30 unless you follow the EPA test protocol in no wind conditions and 20 deg c. They also do it at like 40 mph.
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Old 06-22-2013, 11:03 PM   #216
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Just finished a 5 hour highway run (2.5 hours one way) to my son's college in my 12 JKUR.

On the way out with the soft top up and keeping it between 70-75, I got 19.2 according to the optimistic onboard computer. On the way back with the top down at the same speeds, 18.3 (plus a pretty good sunburn on the top of my head), again according to the onboard computer.

I've got about 11K on it now, and low 19 is the best fuel economy I've ever seen in this thing.

I could probably hit 21 if I could find a 400 mile route that was all downhill.
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Old 06-23-2013, 01:21 AM   #217
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Shortly after I bought mine I was getting 25+ mpg on flat highway in California one day and was giggling like a school girl. Then I noticed that the brush on the side of the road was bent all the way over in the direction I was going. There was about a 30 mph tailwind. It was fun while it lasted. I didn't buy a Jeep for the mileage. I find it's less stressful to not even pay attention to the numbers most of the time.
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Old 06-23-2013, 02:36 AM   #218
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Are you going by the MPG readout? The readout is an average, which collects data from your entire drive, and not just from highway driving. Reset it while on the highway to get real time current data.
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Old 06-23-2013, 07:17 AM   #219
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2013 Sport... 21+ in the mountains

We're getting over 21 on highway driving, using every effort to control accelerator and brake pedal. Very careful, easy driving... but comfortable and happy.
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Old 06-23-2013, 07:56 AM   #220
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Since I do mainly highway driving with mine, I have seen 21.2, on the computation, this was achieved:
Top up
Windows up
A/C on
Sixth gear
Cruise on
68 mph
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Old 06-23-2013, 09:19 AM   #221
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Yes. Evic reported 23.x on my round trip from Little Rock to Shreveport. I set the cruise control at about 5mph over the posted speed limit. I always use Cruise Control on trips to help with gas mileage.

Mine's a 2013 JKU Sport S with 3.21 and automatic. No mods to tires/wheels/lift yet.
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Old 06-23-2013, 09:31 AM   #222
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17-18 mixed city/hwy, with stock equipment. Hwy speed about 75 mph.
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Old 06-23-2013, 09:34 AM   #223
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I get 22 to 23 when straight highway (13JK) and my brother in law git 22 driving to Houston from Philadelphia in his 12JK. Both manuals and two doors
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Old 06-23-2013, 10:05 AM   #224
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I get 14 city and 16.5 hwy (75 mph). You can probably get the advertised mpg with a stripped down sport model but my 2013 MOAB is loaded with HEAVY options and 3.73 gearing. The sport drives like a car and my MOAB feels like a sport pulling a trailer.
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Old 06-23-2013, 06:26 PM   #225
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I honestly can't believe how good the fuel economy of my 13' JKU Rubicon is...only filled it up twice the first time I averaged 20.8 with the calculator..the readout claimed 20.9....then I filled again today and averaged 19.8 calculated vs 20.0 on the readout. I figured it would be lower considering I got the Rubicon with 4.10 gears...guess it pays to live in the sticks where the roads are so bad you can't do much more than 55 anyway.
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Old 06-23-2013, 07:05 PM   #226
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Well if your talking nuclear bomb close then yes, I drive 21 miles and I use gallons of gas......
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Old 06-23-2013, 07:51 PM   #227
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My 2012 JKU is still stock and on a highway trip from Richmond VA to philly i got 23 per my calculations but i was sticking to between 70-75. I can't tell you what i get around town though because a week after i got it, i was in an accident and i haven't driven it since but on the bright side, i should be getting it back this week
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Old 06-23-2013, 09:24 PM   #228
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my 2012 manual rubi with a 2.5" lift and stock 33s, i get a whooping 14.5-15.5 around town and close to 17 on the highway if i do 75. If i creep up to 80-85 its back to 14-15. you guys with 20+ must be doing 55 behind big rigs...
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Old 06-24-2013, 06:36 AM   #229
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No drafting but on long trips I run cruise control + 10 miles over the limit. Usually leading the pack in the fast lane.
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Old 06-24-2013, 07:43 AM   #230
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No drafting here. No real mods to my jeep yet other than some armor like rock sliders and shaffer stubby bumper...guess we just know how to drive :-)
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Old 06-24-2013, 07:49 AM   #231
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stock sport s with the 17's and i get 20.1 in city and 21.5 highway. I rarely see revs over 2k.
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Old 06-24-2013, 09:00 AM   #232
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I've spent nearly $200 in gas in the past 2 1/2 weeks. Granted the majority is spent in city traffic I'm still pissed I'm only averaging 15 mph.
Can anyone attest to any mileage gains from a cold-air intake and exhaust upgrade? Is it worth the $500+ in getting it done?
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Old 06-24-2013, 09:22 AM   #233
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Customer in his Chevy Cruze company car gets 19mpg in Chicago city traffic. My JK in Chicago went through heavy city traffic last week and yielded 17+mpg with AC on. For that difference or even 15mpg I'll still take the Jeep over an Eco crap car like a Cruze getting 19 or even 21 in the same slop.
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Old 06-24-2013, 09:43 AM   #234
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I get 20.2 mpg highway and city driving but usually only get 18-19 mpg.
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Old 06-24-2013, 10:01 AM   #235
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Uhm, no. I have the doors and top off all the time, tho, and I speed on the highway. So my mpg kinda sucks. But I didn't buy it for the mpg, thankfully.
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Old 06-24-2013, 10:22 AM   #236
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I used to see 21 mpg until i added all my mods. Not its 14 to 15 on a non windy day
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Old 06-24-2013, 10:54 AM   #237
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Quote:
Originally Posted by reddragons View Post
I have a 2013 Rubicon Unlimited and I'm not getting close to this. I live in the Bay Are in Northern Ca. I drive with cruise control on around 65mph and I average 14.5. The Jeep is stock.

Jeep - Compare Vehicle and Model Specifications - Highlights
I have a '13 Sahara with Anti-Slip 3:73 rearend and I flirt with 21 but haven't reached it. The Jeep has only 4500 MI so I expect it to get better but right now I bounce around between 19 and 20.2 MPG. Oh and it's an Automatic. My driving is mostly flatland with winter in Florida (flat) and summer in Michigan (mostly flat) so all in all not too bad.
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Old 06-24-2013, 11:06 AM   #238
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Avg. 20ish; did hit 22 with a tailwind heading to Okeechobee on the Bee-line, but lost that coming back so avg'd the round trip @ 19

It was a nice day, so had bikini top and the window open; my '07 JKU Sahara is stock everything.
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Old 06-24-2013, 12:58 PM   #239
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My previous 29mpg has improved. Jeep just come back from its 2nd service and runs a lot better. Its smoother and happier at 1500rpm. so really easy to drive economical.
On my 15 mile journey to work (using stop start) 33.4 mpg.
On the way home slightly more traffic and stop starts at traffic lights 30.4mpg.
you boys and girls definitely need a diesel.
I might buy one of the diesel tuning boxes that simply plugs into the diesel rail. Supposedly 10 or 15%more mpg or they will refund your cash.
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Old 06-24-2013, 01:20 PM   #240
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Quote:
Originally Posted by reddragons View Post
I have a 2013 Rubicon Unlimited and I'm not getting close to this. I live in the Bay Are in Northern Ca. I drive with cruise control on around 65mph and I average 14.5. The Jeep is stock.

Jeep - Compare Vehicle and Model Specifications - Highlights

My dash showing 20.9 mpg on my new JKU with 300miles while driving on highway with speed on ECO on dash (below 65m/h)

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