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Old 04-08-2013, 12:40 PM
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POST 2014 V8 MPG's

Looking for 2014 V8 MPG's from new owners. If you could please post your City & Highway miles and whether you drive like an old lady, a 17 year old on streoids or somewhere in between.
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Old 04-08-2013, 02:17 PM
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Re: POST 2014 V8 MPG's

Normal driving, however mostly HWY miles, average is between 16-16.5.
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Old 04-08-2013, 03:31 PM
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Re: POST 2014 V8 MPG's

3 fill-ups, with about 70% HWY/30% City driving, in hilly and twisty roads.

1<SUP>st</SUP> tank = 15.6 MPG<O></O>
2<SUP>nd</SUP> tank = 16.1MPG <O></O>
3<SUP>rd</SUP> tank = 17.6 MPG (Avg. 20.1 HWY on a 125 mile trip, when I first filled up) <O></O>

I’m pretty happy with those numbers so far, and now that I’m a little past the 1000 mile break-in, and my foot is getting a little heavier, I’m hoping the numbers equalize to about 16.5MPG or so.
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Old 04-08-2013, 03:56 PM
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Re: POST 2014 V8 MPG's

Quote:
Originally Posted by PMD G8 View Post
Normal driving, however mostly HWY miles, average is between 16-16.5.
Hmmm seems like the 8 speed doesn't add much as far as fuel economy goes. My "aerodynamic as a refrigerator box" Commander, with the non-VVT HEMI gets 16.4 mpg on the highway.

Have you checked your tire pressures since you picked up your Jeep, often they are delivered by the dealership a bit underinflated to "improve" the softness of the ride.
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Old 04-08-2013, 04:45 PM
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Re: POST 2014 V8 MPG's

Averaging 14-15 MPG and I'm doing roughly 80% City 20% Hwy. Just broke 900 miles last night.
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Old 04-08-2013, 06:32 PM
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Re: POST 2014 V8 MPG's

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Originally Posted by rubicontrail.net View Post
Hmmm seems like the 8 speed doesn't add much as far as fuel economy goes. My "aerodynamic as a refrigerator box" Commander, with the non-VVT HEMI gets 16.4 mpg on the highway.

Have you checked your tire pressures since you picked up your Jeep, often they are delivered by the dealership a bit underinflated to "improve" the softness of the ride.
Tire pressure is at 39/40. Need to check and see what is recommended.

My wife's 2011 Hemi could only manage 15.4 so this is an improvement even if its not much.
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Old 04-08-2013, 11:54 PM
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Re: POST 2014 V8 MPG's

My wife averaged 17.8 one the first tank, mostly city and I use that tern loosely as we live in a small town not a city. I have no doubt it would be lower if I were driving it. Something else to note is that mine is a 2wd and I noticed the guys posting before me have 4wd's.
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Old 04-09-2013, 09:18 AM
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Re: POST 2014 V8 MPG's

Quote:
Originally Posted by TexFJ View Post
3 fill-ups, with about 70% HWY/30% City driving, in hilly and twisty roads.

1<SUP>st</SUP> tank = 15.6 MPG<O></O>
2<SUP>nd</SUP> tank = 16.1MPG <O></O>
3<SUP>rd</SUP> tank = 17.6 MPG (Avg. 20.1 HWY on a 125 mile trip, when I first filled up) <O></O>

Iím pretty happy with those numbers so far, and now that Iím a little past the 1000 mile break-in, and my foot is getting a little heavier, Iím hoping the numbers equalize to about 16.5MPG or so.
Nice to see that the MPG's are going up. Getting ready to pull the trigger on a Limited. Looks like it might come down to a coin toss on the V8 or V6. I don't put many miles on my vehicle, so it would be about a $35 a month extra fuel cost and the $2k option charge for the V8.
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Old 04-09-2013, 07:37 PM
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Re: POST 2014 V8 MPG's

Last couple of fillups I checked my mileage; it was about 11 - all city driving; but I drive with Eco mode off and my right foot in it up to my kneecap. That's why I got the Hemi.
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Old 04-10-2013, 10:39 AM
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Re: POST 2014 V8 MPG's

Quote:
Originally Posted by PMD G8 View Post
Tire pressure is at 39/40. Need to check and see what is recommended.

My wife's 2011 Hemi could only manage 15.4 so this is an improvement even if its not much.
Hmmm I get 15.5mpg in my stop and go commute on the Commander. I consistenly get above 16mpg when the driving is all highway. Your wifes HEMI really should have been getting better since you had the VVT and a much more aerodynamic vehicle.

My tires are inflated to 36psi at 70F. One thing is, I am not running stock tires. I have the Goodyear Silent Armors. I would have thought that would have actually hurt my mileage since since they are a size bigger than stock and have a more aggressive tread.

What elevation are you at? My home elevation is 1100ft.

Other possible variations are that I run Mobil 1 full synthetic.

It's just kind of disappointing that all the things like VVT, a more aerodynamic body, and a much more modern transmission, don't appear to be really helping the HEMI mileage.
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Old 04-10-2013, 12:55 PM
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Re: POST 2014 V8 MPG's

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Originally Posted by PMD G8 View Post
Normal driving, however mostly HWY miles, average is between 16-16.5.
This
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Old 04-10-2013, 02:35 PM
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Re: POST 2014 V8 MPG's

Ouch, seeing these real world numbers so far does not help in favor of the V8 for my decision on which motor to get. I know the V8 was not gonna be good on fuel, but those numbers are almost disappointing. Well I guess since time isnt an issue for me, waiting for a used diesel later down the road could be a good decision.
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