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View Poll Results: What HIGHWAY gas mileage are you getting with your 2011 Grand Cherokee? (V8 only)
23 mpg or more 4 3.42%
20-22 mpg 37 31.62%
17-19 mpg 59 50.43%
14-16 mpg 14 11.97%
13 mpg or less 3 2.56%
Voters: 117. You may not vote on this poll

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  #13  
Old 01-21-2011, 08:56 AM
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Re: V8 highway gas mileage

We are getting between 18 - 19 MPG on flat highway doing 80+ or so. RPM around 2100. So much better than our 2006 Overland hemi which got 13.5 no matter what we did. Both 2WD. In and around mileage a different story (12.8).
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  #14  
Old 01-21-2011, 09:14 AM
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Re: V8 highway gas mileage

19.1 @ 80mph with light traffic and light hills (calculated over 120 miles using EVIC)

Around town, heavy foot, on/off 65mph speed limit freeway, tons of idling, stop and go, warming vehicle up......12.5mpg. If I change my habbits and drive like a normal person and limit idling, 16mpg can be achieved.
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  #15  
Old 01-21-2011, 09:16 AM
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Re: V8 highway gas mileage

We averaged 17 on EVIC on a trip to VT, car loaded with dogs, luggage, etc....I average 12-13 around the city.
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  #16  
Old 01-21-2011, 09:22 AM
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Re: V8 highway gas mileage

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Originally Posted by tkln View Post
We averaged 17 on EVIC on a trip to VT, car loaded with dogs, luggage, etc....I average 12-13 around the city.
Similar to what I saw, fully loaded, 2 adults, 1 child (you know how much stuff comes with them less than 1yr old), 3 golden retrieves, roof rack with cargo bag, 75mph, 16.5mpg is all she would do.
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  #17  
Old 01-21-2011, 09:52 AM
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Re: V8 highway gas mileage

From my observations the EVIC is a little "too generous" with the mileage estimations
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  #18  
Old 01-21-2011, 09:58 AM
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Re: V8 highway gas mileage

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Originally Posted by rybocf View Post
From my observations the EVIC is a little "too generous" with the mileage estimations
From my observations, this is the closest mpg calc from a vehicle I have seen. Couple times I checked it it was spot on (plus/minus .5mpg). You must remember to reset as soon as you fill up, you have to take into account idling and accelerating. You can't reset once you are moving and then hand calculate when you are done and expect the same results!
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  #19  
Old 01-21-2011, 10:54 AM
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Re: V8 highway gas mileage

I have just under 3000-miles and i've had my Jeep for almost 12 weeks.

The majority of my driving is done in-and-around town. Most of which is my daily commute; 13-miles each way (130-miles/week) averaging 20mph and 45min of travel time, i.e. lots of idling. And, we run errands and visit the parents over the weekend; nothing crazy. Only three "long" trips (each about 150-miles one way). I remote start each morning for a few minutes and recently its been in the teens/low 20's in the morning. I live in the mid-atlantic so its coastal and flat here.

My EVIC is always between 14.9mpg and 15.6mpg at every fill-up/reset. During my "long" trips I averaged around 20.

I haven't seen a gain since the K&N addition, but I haven't seen a drop either and its been colder.

The spring & summer will def bring higher numbers because I won't be remote starting.

Overall, I am happy with the MPG - but, lets be honest, MPGs are not the reason I, or any of us, drive a Jeep. If you are finding yourself stressed about your MPGs and your wallet is screaming at the pump... well, don't buy V8 w/ permanent 4WD.

And, following similar logic, don't drop $40k+ vehicle if you are worrying about filling it up with gas - maybe you are out of your comfortable price range. It's like those people who buy McMansions and can't buy furniture to put in the rooms - whats the point?
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  #20  
Old 01-21-2011, 10:59 AM
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Re: V8 highway gas mileage

thanks and nicely done with the recent polls Geronimo + rep
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  #21  
Old 01-21-2011, 11:01 AM
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Re: V8 highway gas mileage

Am I out of line to pose the following? If gas mileage is important, then why purchase a Hemi? I have owned Hemi's in the past. I know tool around in a 2011 Overland Hemi. I was fully aware of the mileage the beast is capable of. I did not purchase the engine with mileage in mind. Performance was important.
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  #22  
Old 01-21-2011, 11:07 AM
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Re: V8 highway gas mileage

Well I drive 4.5 miles to work so 9 miles commute. I havent driven the car on long trips just yet so no highway as of yet (havent had a change to go skiing).

Anyway, EVIC say that my mpg is 11.5 but I am a real heavy footer.

I agree with mhassler so I dont worry too much about mpg but I do keep an eye on it since it could identify possible problems that are growing with the car.
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  #23  
Old 01-21-2011, 11:44 AM
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Re: V8 highway gas mileage

12.5mpg city - 19mpg highway

I would like to see the city number a bit better.
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  #24  
Old 01-21-2011, 01:27 PM
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Re: V8 highway gas mileage

Depends on the highway speed. 80MPH+ less than 20MPG. 60-65MPH+ 22MPG's+
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