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Discussion Starter · #1 ·
Here is a mileage for 2000 miles since new:
Miles Gallons Distance MPG

230 1st Fill
390 12.00 160 13.33
588 16.48 198 12.02
786 18.00 198 11.00
921 11.01 135 12.26
1155 18.00 234 13.00
1347 18.49 192 10.38
1570 18.00 223 12.39
1796 18.50 226 12.22
2019 18.25 223 12.22
Average Mileage 12.09
 

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Discussion Starter · #2 ·
Mileage chart for 2000 miles - clarification

I realized the chart above (imported from excel) needs a few spaces in order to be readable. But here it is.

Here is a mileage for 2000 mile since new (V8 4.7). This thing is 12 mpg fill lasts about 220 miles. Lots and lots of of fill-ups. Honk if you think the gas tank is undersized. :mad:

Miles Gallons Distance MPG
230 1st Fill
390 12.00 160 13.33
588 16.48 198 12.02
786 18.00 198 11.00
921 11.01 135 12.26
1155 18.00 234 13.00
1347 18.49 192 10.38
1570 18.00 223 12.39
1796 18.50 226 12.22
2019 18.25 223 12.22
Average Mileage 12.09 miles per gallon
 

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I really think you should be getting better mileage. Maybe a tuneup is in order. I have a 99GC with the 4.7 and I think my wife has been getting 14 to 16 around town. In Oct, I took a 4200+ mile trip in the mountains of NM, CO, AZ, UT, TX and the overall avg for the trip was 20.1 mpg. I realize this is a lighter and older vehicle but it is 4x4 (Quadradrive), auto trans, 67000 mi. I am getting better mileage than you with my Commander Ltd Hemi, Quadradrive.
 

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I know we are not comparing apples with apples here but my 06 Charger with a hemi is getting me almost 25.0 on the highway and 17 in town. But again it doesnt weigh 5,000 lbs. and have 4 wheel drive.
 

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My '06 Jeep Commander is new and doesn't have 2000 miles on it. In fact it only has 400. Just did my first mileage check and got 18.8 MPG at 65 MPH on the interstate. My vehicle is the 4.7 L V-8. I assume your mileage is around town, but even with that, it seems low. Either you have a problem or you have a lead foot.
 

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I am getting about the same MPG (12) and I have around 800 miles on my Commander. I do almost all city driving and live in California (aren't smog rules tougher in CA thus reducing gas mileage?). I really think that is the best I am going to get. I hope I'm wrong.
 

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Discussion Starter · #8 ·
Mileage sucks and is not even comparable to 15 city/19 hwy. This is my 4th SUV and on all of the previous ones my own mileage did not vary compared to the published data by more than 1mph. The published data are bogus. This is the first car which I have to fill every damn 220 miles (see above chart). Is not that a joke?:mad:
 

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mikey said:
Mileage sucks and is not even comparable to 15 city/19 hwy. This is my 4th SUV and on all of the previous ones my own mileage did not vary compared to the published data by more than 1mph. The published data are bogus. This is the first car which I have to fill every damn 220 miles (see above chart). Is not that a joke?:mad:
Well, I agree the mileage is not very good, but I disagree that other SUV's do not vary from the EPA sticker MPG.

My last car, a 2005 Acura MDX was quoted as 17/23 and I never got more than 12/19.

I also had a 2002 Dodge Durango and the variance was also 5 MPG's lower than what the sticker said.

Oh well, gas mileage sucks, but it's a bitchin' car....It's a trade off!!!!
 

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Discussion Starter · #10 ·
Moose:
Again I care about gas mileage but not too much (otherwise I'd buy a Prius). What completely blows me away is the damn gas tank that's good for 200 miles. Last time I put in 18.2 gallons from empty to full and stopped for a fill-up at 204 miles. At 200 miles the indicator read "0 left to empty". You may disagree with a statement that my mileage never differed much with published data but that's the way it actually was on 2 Exporers and 2 full size Montero. On either car I could do 300 in city and 400 on hwy. This car "Trail Rated" to be sure, despite all the great features (no pun intended) is was designed by idiots who failed basic math in school. 'nuff said.
 

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mikey said:
Moose:
Again I care about gas mileage but not too much (otherwise I'd buy a Prius). What completely blows me away is the damn gas tank that's good for 200 miles. Last time I put in 18.2 gallons from empty to full and stopped for a fill-up at 204 miles. At 200 miles the indicator read "0 left to empty". You may disagree with a statement that my mileage never differed much with published data but that's the way it actually was on 2 Exporers and 2 full size Montero. On either car I could do 300 in city and 400 on hwy. This car "Trail Rated" to be sure, despite all the great features (no pun intended) is was designed by idiots who failed basic math in school. 'nuff said.
I do agree with you on the gas tank part....well put. I must admit that after reading your rant :eek: , I realized that all my other SUV's that I spoke of had larger gas tanks which in turn enabled me to get to at least 300 miles (or close to it).

I really was just pointing out that the stated EPA mileage and real mileage are two very different things....no matter what make and model car.

Cheers...
 

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I traded in a 4cyl stick Camry for my XK, and went from ~35 mpg to 12.9 (no highway miles, just hit 2000). It was a shock at first, especially since I was filling up once every three weeks, and now it's every 6 days. But I'm used to it and it doesn't really bother me. My wife's Nissan has a V6 and gets 17-18 around town, so I think 13 isn't too unreasonable, considering that it blows her minivan off the road and weighs significanty more...
 

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Discussion Starter · #14 ·
Running out of gas in 200 miles regadless of mileage in a "Trail-Rated" "Freedom Machine" is a travesty. It is indeed unreasonable and highly unexpectant. I've done a trip fromChicago to Wausau, WI (270 miles) for the last 20 years and this is the first car in which there is no way to make it all the way up without a pit stop. This sure won't kill me but it bothers me a whole damn lot.:mad:
 

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I'm beginning to wonder if there isn't some kind of MDS problem that I don't happen to have... I had no problem making it 278 miles with gas to spare just last week.
 

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JoeTampa said:
I'm beginning to wonder if there isn't some kind of MDS problem that I don't happen to have... I had no problem making it 278 miles with gas to spare just last week.
Highway, "Non-Traffic" miles?
 

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I have the 5.7 hemi with about 800 miles on it.

Last Sunday...
I filled up.
Took about 1 mile to get to I 44.
Drive 8 miles till got to a shopping mall
Went to the mall.
Went to a fast food joint.
Total of about 8 miles, got back on I-44, but still headed out. Joyriding.
I-44 is hilly. Started at 65 MPH, about half at 75 MPH.
When out a total of 52 miles before I turned around. MPG slowly went up to 17.5 MPG.
On the way back, used cruise control. MPG fell to 17.3 MPG.

I can take 17.5 on the highway.

However, it is 3 miles round trip to work. Just 9 miles added since my Sunday jaunt. It now shows a MPG of 13.3. How can 9 miles (ok cold engine each way) screw your mileage of 102 (at 17.3)? About 12 MPG is what I get if I run an entire tank without any highway mileage. I'm not idling for any length of time. Not a lead foot.

I just don't understand how the MPG is calculated.

Tom
 

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Even sitting at lights will do it as the JC definately calculates the entire time the engine is on - not just while underway as I suspect my GC does. Acceleration, even when you're not a lead foot, still seems to drink copious quantities of gas.

Either that, or the EVIC is plain wrong.


BTW - second filll-up from "gas light on empty" and it was still 17.8 gals. So you do have ~2gals to go when that light comes on.
 

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Discussion Starter · #20 ·
Your mileage is consistent with mine. The longer you do not reset the mileage computer, the lower it will go. At first if you reset it on hwy, it will do 17 mph (just as you said - hey, I can take it too!) but then it will go down in no time. In about a week it will stabilize at 12.8 mph and then, in about another week it will be 12.0 - and that's where it is right now. 12 mph and 200 miles on a tank of gas. Oh, well, maybe 230 if I throw in a good chunk of hwy driving (70% at least). This car is for those people who can't just hold it and have to do pit stops every 3 hours. I used to drive 5 hours on my full size Montero before running out of gas and miss it. This is unrelated to the fact that the JC is great in every other respect and is a pleasure to drive as long it is not too far.
 
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