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Old 02-08-2014, 07:15 AM   #1
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2014 Rubi unlimited X gas milage ?

I am in the middle of building a 2014 unlimited X and Was just wondering if anyone knows the difference in gas milage between the truck with the 4.10 option or leaving the 3.21s in there , ,I saw a video on YouTube where and they state the jeep gets 18mpg with the 4.10s and over 25mpg with the 3.21s,I wanted to see how valid this was with the jeep setup from factory ?
Thank you ,

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Old 02-08-2014, 07:34 AM   #2
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I thought you could only get 3.73 or 4.10 gears in a Rubicon?

You will never see an average of 25mpg with a Rubicon. Not even while cruising at 45mph on flat straight ground.

I average 16mpg with my Rubicon auto with 3.73 gears.

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Old 02-08-2014, 07:42 AM   #3
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I was only guessing 3.21 because that's what's on a Sahara , for some reason it doesn't state it on the window sticker , or when I'm trying to build it .
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Old 02-08-2014, 07:46 AM   #4
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Isn't the X a special version of the Rubicon?
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Old 02-08-2014, 07:56 AM   #5
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Yes it is ,
The x package has some good stuff on it, was just unsure whether or not to add the 4.10 gear option and what comes stock gears for the rubicon? Decisions lol
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Old 02-08-2014, 08:01 AM   #6
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Depends on what you are getting the vehicle for. If you want the options that come with the Rubi, than mileage is something it won't be good at. I also didn't think that you could get 3.21 gears in the Rubi.

I have a sport with 3.21 gears, and I have not seen that kinda mileage....ever. BUT I have had 33 inch tires on it since about 1000 miles.

Good luck
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Old 02-08-2014, 08:05 AM   #7
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Yes u are correct , the rubicon does come stock with the 3.73s I just researched it, there was a local rubicon x for sale and it has the 4.10 option , I'm going to use it for daily drivin and on/off-road use , so was just getting some advice , thanks
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Old 02-08-2014, 08:11 AM   #8
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If you plan on running larger tires I would say opt for the 4.10
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Old 02-08-2014, 08:15 AM   #9
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I've heard 4.10 and 3.73 are fine for driving around town. If you're going to do a lot of highway driving I would stick with 3.73 gears.

If you're going to go to 35" tires then you might want to go with 4.10 gears.

Offroad use I haven't had a problem with the 3.73 gears. If I have to crawl up a hill or climb a hill I use 4LO. With the Rubicons 4-1 TC, 4LO is all I ever need.
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Old 02-08-2014, 08:28 AM   #10
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I traded a 2013 sport unlimited with 33"s it was auto with 3.21's on my 14 rubicon unlimited with auto and 4.10's and started out running 33's (same tires as were on the sport Toyo Open Country AT2's) and after a 2000 miles bumped up to the same time in a 34". Being lucky and living in Gods country I can drive 80mph all day long on the Freeway with no issues. I would not get anything but 4.10's unless you plan on going 37 or bigger down the road then I would get 3.73's because you will be regearing any way. MPG is within 1-2mpg on the highway at say 70mph and around town the same. I put 20,000 miles on my 13 in less then a year and checked every tank full as I do on my new one. 80-85mph with 4.10's does not feel like it is excessive as the 3.6 likes to rev.
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Old 02-08-2014, 08:47 AM   #11
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Ok thank you very much , can't wait to get behind the wheel! This is my first wrangler !
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Old 02-08-2014, 08:49 AM   #12
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Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?
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Old 02-08-2014, 10:21 AM   #13
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I picked up Rubi X Unlimited a couple of weeks ago. Just filled up for the first time a couple of days ago. I got 17.2 on the first tank per EVIC and 17.1 by manual calculation. FWIW, I got side airbags and didn't think twice about it. It's only a $450 or so option. I don't see how off-roading would make the side airbag go off, unless you rolled over.
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Old 02-08-2014, 11:26 AM   #14
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The auto on Rubis come standard w 3.73s, option for 4.10s. Manual trannys come with 4.10s since they have 6 gears vs 5 on the auto. If you plan to upgrade tires, it could be worth it in the long run to go w 4.10s. If your worried about mpgs you bought the wrong vehicle!
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Old 02-08-2014, 11:28 AM   #15
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Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?
Save the money and put this towards another option?
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Old 02-09-2014, 12:57 AM   #16
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Quote:
Originally Posted by SHARKBITE1125 View Post
Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?


IMHO, no matter what you do, select the airbag now and if needed save for other option...
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Old 02-09-2014, 01:38 AM   #17
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Originally Posted by SHARKBITE1125 View Post
Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?
Only you can answer that question.....but my opinion is similar to the post above this one. Get them....
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Old 02-09-2014, 03:30 AM   #18
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Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?
The side air bags are in the front seats.. therefore I decided not to order them.

.
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Old 02-09-2014, 04:00 AM   #19
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I got the Rubicon X Automatic with 4:10 gearing the Fuel milage started out at 18.0 first tank and did a steady decline with every tank thereafter, now 15.1 with 4125 miles on it and 33" tires.
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Old 02-09-2014, 04:12 AM   #20
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The side air bags are in the front seats.. therefore I decided not to order them.
.
Sorry for the silly question, but can you please explain the correlation of those two?
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Old 02-09-2014, 05:52 AM   #21
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[QUOTE=TerraSol;8104609]Sorry for the silly question, but can you please explain the correlation of those two?[/QUOTE

The airbags deploy from the seats and not the body of the Jeep, like most cars. Since the Jeep has a either a soft top or removable hard top plus removable doors, there isn't a place to mount the airbags above the doors or in the doors.

Back to your original post. Get the 4.10 gears. If you are buying a Jeep for gas mileage, don't! Get something else. Jeeps are not great on gas mileage. I average about 16 mpg between highway and around town driving. You will also be better off with the 4.10s if you decide to go with bigger tires later. A re-gear can cost about $1500-$2000, unless you can do the work yourself. And if you do re-gear, the 4.10s will be worth more than the 3.73s if you sell them.
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Old 02-09-2014, 06:17 AM   #22
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Does Anyone know about the side air bag option? Should I skip it if I plan on off-roading sometimes ?
Check with your insurance company to see if it lowers your rate... Mine did, not much but you are getting some extra protection and a tad discount on ins. Might be worth it depending on what you plan to do with your jeep.
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Old 02-09-2014, 06:24 AM   #23
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The airbags deploy from the seats and not the body of the Jeep, like most cars. Since the Jeep has a either a soft top or removable hard top plus removable doors, there isn't a place to mount the airbags above the doors or in the doors.
Thank you. Yes, I know this. My question is why would one not get the side airbags, just because they are in the seats?

"The side air bags are in the front seats.. therefore I decided not to order them."
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Old 02-09-2014, 06:25 AM   #24
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My JKURX with 6-spd manual and 4.10 gearing is averaging between 16-17.5 mpg. EVIC did show 17.8 on a trip in the mountains (I figured this would have been the worst pulling hills, but guess the downhills more than made up for it). Currently have 1,800 miles on it and stock tires and suspension.
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Old 02-09-2014, 01:26 PM   #25
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Thank you very much, I'm going with the 4.10s and the airbags ! I Should have my jeep soon! Gunna build a white rubicon X ! Thanks again for all ur help!
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Old 02-09-2014, 03:10 PM   #26
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Thank you. Yes, I know this. My question is why would one not get the side airbags, just because they are in the seats?

"The side air bags are in the front seats.. therefore I decided not to order them."
The reason.. if I or someone else wanted to install seat covers or aftermarket seats at a later date they can do that without issues. I flip-flopped back and forth whether to order them or not.

My decision was based on input from the Fleet Manager and the fact I drive other vehicles... one that has zero bags and void of ABS, warning bells and all other federal government mandated devices... even void of the idiot light.

I ordered them with my SRT8's because they were in the pillers...

Anyway... seems a little silly to not have them in the back seats as well, no? If I had kids I would protect them first and foremost... but that's not an option.

.
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Old 02-09-2014, 05:58 PM   #27
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I'd get air bags if I were driving my dog around. I'm not though, so you know, who needs front air bags. Seems silly to me.

It's $450, you're gonna spend $40k plus on a Wrangler - the least of your worries should be a few hundred bucks to potentially help save your life, just hope it's one of those mods you never need.

As far as gearing, I thought the X only had the 4.21 option, but maybe I'm wrong. There is a Rubi X thread, you can probably get good answers over there.

IMO - you're buying the wrong vehicle if you're at all worried about MPG Good luck with whatever you choose though!
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Old 02-10-2014, 08:10 AM   #28
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It was not bout the money, was just curious if they would accidentally go off while off-roading , I appreciate all ur help...
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Old 02-10-2014, 08:36 AM   #29
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I have an auto JKURX w/ 4.10 gears. I filled up this morning and got 15.69 MPG on my last tank.

I have a pretty extensive set of fuel data that you can follow here: caseyp's profile | Fuelly
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Old 02-10-2014, 01:36 PM   #30
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I've had my JKUR-X, 6 speed, for a couple of weeks now. Averaging 17.5 MPG with my 4.10 gears. I also got the side air bags and I plan to off road (no worries).

I picked up a set of snow chains last week for a trip between Dallas and Park City, Utah for a spring break trip with the family next month. Laclede Chain Manufacturing
When ordering the chains, the local parts store had two sets to offer for the stock Rubicon tires. With a difference in approximately $100 for the two sets, I asked the store manager why the big difference and he showed me pictures of the difference. I didn't even have to think about it - but ordered the beefier chains. I remember my Dad talking about safety out in the wilderness when I was a kid and one of the lessons was: You're stuck in the deep snow trying to cross a pass in Montana and you're kicking yourself because you wanted to save $100 bucks on the cheaper snow chains... It also reminds me of that TV commercial - Cost of getting thru that pass with the best snow chains that you can buy - PRICELESS...

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