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  #25  
Old 03-12-2017, 09:16 PM
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Re: AVG. MPG 5.7 Hemi

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Originally Posted by Dan JGC View Post
Not disputing your observation. The dash numbers seem to always be generous in my experience.

Have tried topping off the tank then manually calculate the mileage --- or use apps like gas buddy which are really helpful?

If you actually get 21 MPG, God bless ya. I can't even get that with highway only driving!!!
I'll give Fuelly a shot and report back once I have some meaningful data tracking my fuel economy that way.

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  #26  
Old 03-13-2017, 08:10 AM
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I hover around 14.5mpg with almost all country stop & go driving. I'm currently in a 2017 Ford Expedition rental while my Jeep gets some rear bumper damage fixed and this thing is getting 18.5mpg with the same driving habits and it feels huge and heavy compared to the Jeep ?
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  #27  
Old 03-14-2017, 11:26 AM
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Re: AVG. MPG 5.7 Hemi

never calc'd it myself, but the dash show 19 for my wifes daily driving... which is 25% city - 75% freeway. When my wifes commute was 50/50 city/freeway the dash would show high 17's/low 18's. She has a much heavier foot than I... both on go and woah.
On road trips it routinely shows 19-22 (usually mid/high 20's)... depending on whether I'm driving responsibly at 70-75 or trying to "make time" driving at 85 and passing with authority.
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  #28  
Old 03-14-2017, 12:29 PM
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Re: AVG. MPG 5.7 Hemi

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Originally Posted by silvermax04 View Post
If you are doing heavy city that 13.5 is not out of line the hemi will be bad on all city but but 16.6 for highway is atrocious there is something wrong there. I got 22-23 highway at 70-75 last week with 4x4 hemi on a trip. Your speed will make a lot of difference 70 and below youll be into the MDS a decent amount and run on 4 cylinders which helps a lot, above 70 less MDS and your mileage will go down. I run regular fuel.
Same for me. ECO ON! ...and I DON'T drive it like I stole it...
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  #29  
Old 03-14-2017, 03:46 PM
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Re: AVG. MPG 5.7 Hemi

Can anyone provide realistic HEMI numbers in 100% city driving, big congested city (NYC, LA)
Thanks
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  #30  
Old 03-14-2017, 07:26 PM
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Re: AVG. MPG 5.7 Hemi

I get about 16 in mixed conditions with regular 87.
Got as high as 19.5 on a 650 mile trip, and I was not driving gently...
Seen as low as 13 in punishing, dense urban driving.
And I have the 5 speed tranny (faux 6 speed). 8 speed would be better but I'm good with it.
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  #31  
Old 03-14-2017, 07:27 PM
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Re: AVG. MPG 5.7 Hemi

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Originally Posted by rszwestko View Post
Can anyone provide realistic HEMI numbers in 100% city driving, big congested city (NYC, LA)
Thanks
13 avg.
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  #32  
Old 03-14-2017, 11:19 PM
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Re: AVG. MPG 5.7 Hemi

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Originally Posted by Whitie View Post
13 avg.
I agree - driving around Miami Beach area 13 MPG is a reasonable expectation.
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  #33  
Old 03-18-2017, 01:38 PM
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Re: AVG. MPG 5.7 Hemi

My disclaimer, I only go by the onboard computer's figures. Having said that, and also mention that I run 91 octane, non-ethanol fuel, I average around 13.5 MPG city, and 23-24 MPG highway, with my '15 GC Limited, with the Hemi, and also equipped with the ORA II pack. I think if I had the "spring" suspension, and had the overall height down a little more, the highway MPG might improve.
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  #34  
Old 03-18-2017, 09:20 PM
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Re: AVG. MPG 5.7 Hemi

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Originally Posted by leadfoot4 View Post
My disclaimer, I only go by the onboard computer's figures..
I'm gonna check my onboard computer and see what it says - I haven't looked at it in a very long time as last I compared it was optimistic to say the least. 23-24 MPG highway in a 4x4 with Hemi I have never even gotten close but then again I don't drive with MPG in mind.
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  #35  
Old 03-19-2017, 09:02 AM
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Re: AVG. MPG 5.7 Hemi

Solid 20mpg for my two trips to/from central Florida in the past month to deal with the 'rents medical issues. My EVIC remains accurate to manual calculation.
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  #36  
Old 03-19-2017, 08:36 PM
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Re: AVG. MPG 5.7 Hemi

I have 2200 miles on my 17 Trailhawk Hemi and I've been a averaging 14 around town. I took it on a 500 mile round trip today, pretty much all highway from north jersey to Boston, with pockets of traffic here and there, averaged 19.1 for the day


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