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Jeep Owners Real World MPG

22 messages,  Last post on Dec 01, 2008 at 4:32 AM

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What is this discussion about? Jeep, Fuel Efficiency (MPG)

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#8 of 22 fuel milage by blueribbon Jan 24, 2006 (12:13 pm)
got 05 wrangler rag top,cant seem to get but about 16/17 mpg,anyone got any suggestons
#9 of 22 5.7L Fuel Economy by jherbst Jan 27, 2006 (9:09 pm)
I have had my '05 JGC Limited -- 5.7L, Quadradrive II -- for just over 10 months. After 16K+ miles and playing with the computer vs. driving style/speed, I can now consistently get 15+ mpg for my kind of in-town driving. I have found I can get a little over 18 mpg highway by staying under 70 and being careful with the acceleration and braking. Most of the time, it's closer to 17 on the highway. The most annoying thing is the dern small fuel tank. I don't mind the cost, I just wish it wasn't so often. Something bigger than 20.8 gallons sure would be appreciated.
#10 of 22 05 liberty V6 auto 2wd by xkmail Apr 25, 2006 (9:12 am)
always 22 combined, around town 19mpg. Once I switched to synthetic oil I gained 2mpg. always drive 70 or so on the highway, accelerate slowly in the city. I am thinking of changing from 3.73 to 3.09 rear gears for $900. Anybody tried this ?
#11 of 22 04 Grand Cherokee 4.0 6 cyl. by irishred May 06, 2006 (6:10 pm)
I was getting 17.6 now only getting about 16.8! Any suggestions for improvements?
#12 of 22 three jeeps by mullins87 Aug 03, 2006 (6:43 pm)
I've got three, here's my numbers   '04 Grand Cherokee, I-6, auto, 4x2 - 19.8 mpg mixed city/highway   '01 Cherokee Sport, I-6, auto, 4x4 - 18.5 mpg mainly highway   '95 Wrangler, I-4, manual, lifted w/mud tires - 13 mpg(hahahaha), doesn't matter what kind of driving
#13 of 22 Re: Jeep Owners: MPG-Real World Numbers [KarenS] by 52132 Dec 09, 2007 (4:30 pm)
Replying to: KarenS (Sep 02, 2005 7:30 am) 2001 Jeep Grand Cherokee WJ POWER-TECH I6 4.0L automatic (only comes in auto). Average is 16.8 MPG, highway is about 18-19, city is about 14-15.
#14 of 22 New JGC Hemi City MPG by chigirlintexas Dec 29, 2007 (10:20 pm)
I've only got about 600 miles on it so far, but I am getting about 15.8 mpg in the city on my '08 Grand Cherokee Overland (Hemi 5.7 V8); I will post later as I get it broken in and have some highway driving....I'm pleased with this figure, as I expected it to be more like 13 mpg...   I love the "fuel saver" option (where the fuel is conserved because it uses 4 of the 8 cylinders when driving at a steady speed)....it makes me more conscious of the way I drive. Although....I can't resist just blowing off some jerk every once in a while (but then the fuel gauge just goes...."gulp")
#15 of 22 '95 Cherokee Sport Auto 135k by ejlj Jan 04, 2008 (4:02 pm)
It gets between 14.5 - 17 mpg on highway at 70-80 mph. City 13-16. I put about 3000 miles on a month. My driving is always with cruise on. I was told Cherokees can get in the 20's. That must be at 45 on a flat road!
#16 of 22 06 Grand Cherokee 2wd 3.7 V6 by macdragonfl Jan 05, 2008 (10:38 pm)
City 16 to 17 Hwy 21 to 23
#17 of 22 Extensive test 07 4.7L AWD MPG using reg gas by naatz1 Feb 17, 2008 (2:28 pm)
Where are all the previous posts? Did this forum get archived? I used it prior to buying my 07 Laredo 4.7L V8 w/X pkg last Fall and there were a lot of posts here.   Anyway, here is what I have measured in 3 sets of conditions after about 2000 miles of initial breakin:   1. SE Minnesota winter driving Dec7-Jan12 25% highway/75% city driving using 87 octane (MN requires 15% ethanol in it's gas). 1000 miles 15.8 MPG using the onboard computer. Frequent remote starting with 3-4 min warmups too, so this represents "real life" in northern climates.   2. MN to central TX Jan26-27. Conservative driving at 65-70mph speed limits 98% fairly level freeway with 2 adults and about 400 lbs luggage. 1162 miles 62 gal or 18.75 mpg using actual mis & gallons BUT onboard computer shows 19.4 mpg.   3.Central TX back to MN Feb15-16. Slightly faster driving at 70-75mph, 2 adults and 500 lbs luggage (big storm "chasing" us back, bought souvenirs & too many groceries). 1181mis 64 gal 18.45 mpg $187 fuel costs, but computer showing better again almost 1 mpg better than actuals. So my computer calculated mpg seems to be about 1mpg or 5% better than reality, bummer.   However, an interesting point: leaving the midwest the 87 octane gasoline is not mixed with 15% ethanol. (I have yet to try E85 due to our colder than normal hard winter where it runs rough below 10 degress and plan to try some this spring, but it's a known fact you lose 20-30% mpg/efficiency with E85.) I suspected coming back to the midwest gas pumps yesterday with a fill on the southern Iowa border my MPG might drop a bit due to this 15% ethanol ... but no, it improved?! The last 300 miles with this 15% ethanol based gas I got 19.2 mpg actual (20.2 on car computer).   BTW, this 07 Jeep vehicle is SUPERB for handling and comfort as well. Compared to our 2001 Jeep it rides MUCH better. I'd get tired in the 01 after a 4 hr trip (it also was a loaded Laredo). I can easily drive this 07 Laredo for 8 hours and even did an 11 hour stint Feb 15, more than the longest road trip ever taken in my wife's 300M which I always considered to be the most comfortable road car we have ever owned. I now have 5600 miles on this 3 month old Jeep vehicle and it's impressing me so far, no problems. Replies to this message: steve_ (Feb 17, 2008 4:39 pm)

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