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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Real World MPG
102 messages, Last post on Jan 04, 2009 at 10:46 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
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Replying to: steve_ (Jun 17, 2006 1:52 pm) Odometer is at 26k, give or take a few miles. NORMAL City driving. |
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Replying to: sonnet11 (May 28, 2007 3:09 pm) |
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Replying to: podedwards (May 28, 2007 5:33 pm) ---------- 2005 GC Limited with Hemi... 10.5 mpg in town and 16 hwy with cruise at 70 on flat grade. MDS doesn't really exist, engine surges, flat acceleration unless geared down. Junk.
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Replying to: eric091572 (Jun 01, 2007 9:53 am) The 2005 Jeep Grand Cherokee 5.7 Hemi should have MDS, you can check it by VIN number, also see at what speed MDS is active for your car.
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Replying to: podedwards (Jun 01, 2007 3:57 pm)
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Replying to: coolrider (Jun 02, 2007 6:49 pm)
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I have a 2001 JGC 4.0L I6 4WD with 82000 miles. It's generally been a good vehicle and my college Jr son plans to "buy it out" from me at a very good price to have a good vehicle driving to college in MN winters plus more metal around him in the summer than the sporty car he has now. I typically get 15mph in city (2WD mode) and 20 highway, ie, 19  75mph but 22 60mph on 2 lane highways. I am looking at CUVs like the Saturn Outlook, Hyundai Veracruz, Toyota 08 Highlander. The 3rd seat would get occasional use and I want to pull a smaller 17ft 2500 lb fishing boat. However on other forums some have coached me to reconsider a Jeep true 4WD vehicle for towing and pulls out of the water, despite losing the 3rd seat. I can get a Chrysler product at employee price and the new lifetime warranty has appeal as I usually drive 'em into the ground. But I -totally- resist buying anything other than a V6 in a vehicle I plan to have for perhaps 10years, I foresee gas at $4-5/gal in that timeperiod. Since the new V6 is (more refined?) than my old tried and true I6, can I get feedback from some V6 owners on both MPG and towing. Obviously I know the 4.7 would be a better tow vehicle but I just don't want that penalty for the <2% of the time I use it to tow a smaller boat & trailer. I am not real encouraged by earlier comments on this forum, but it's hard to believe a new modern V6 would get worse mileage than my I6 with a design point back in the 70s rated at 16/21.
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Replying to: marty21 (Jul 28, 2007 7:02 pm) |
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Replying to: naatz1 (Aug 23, 2007 5:33 pm) I don't understand complaints about gas mileage. I get 22+ m.p.g. with my 2006 5.7 on the highway. Around, anywhere from 14 to 18 depending how quick I want to go. I am paying for the capacity and capability. If my primary concern was gas mileage, I never would have bought it. By this day and time, anyone who thinks E.P.A. estimates on window stickers are accurate must have been in a coma for years. However, there' not a car out there that does not have numerous reviews about gas mileage. How could anyone not know? Why would anyone blame Chrysler for E.P.A. estimates, they are required by law to post, which indicate gas mileage for a group and clearly states it will vary by many factors?
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Replying to: podedwards (Aug 23, 2007 8:12 pm) There are so many sensors, switches, inputs, etc involved with the fuel delivery and corresponding power output that modern day tune-up technicians can be overwhelmed. In a nutshell, if they don't see an error logged on the computer, or if they don't have past experience on a particular problem, or if no help in the form of a TSB is available, they are stuck! "Your car checks out OK. You will need to put 20k on it before you can expect to reach the EPA numbers." Of course they are hoping we will get use to the poor mileage or trade cars. OR develop better fuel efficient driving techniques. My wife has an 03 Honda CR-V. She averages 20-21 MPG locally. When I drive it, the average is more like 23-25. Simply stated it is different driving styles. Most people don't realize how many times we touch the brake then the gas, then the brake, and so on in local driving. Each time we do that we are either burning extra fuel or have been burning fuel needlessly, resulting in heavy braking. I've talked with people with late model Dakotas, Grand Cherokees, and old style Durangos with the 4.7L that were getting much worse mileage than my larger heavier 98 Ram with the 5.9L. Right now, I'm driving an 03 Honda Pilot. (I'm on this forum because I'm considering a Jeep GC with a higher towing limit than the Pilot). This is an example of poor mileage and good mileage with the same car. On a Trip from Atlanta to Myrtle Beach, the cruise set at 80 mph, and AC on full time with 4 people and luggage we got 18+ mpg. On the return,trip the next day, we ran at 65 mph, the cruise was only used on relatively flat terrain, and the AC (Compressor) was turned off when it wasn't needed. That yielded 26+ mpg. Understandably there could have been slight discrepancies in the way each tank was filled. A gallon more or less would have possibly yielded 19 going and 25 returning. Still a big difference. Some people have a natural knack for getting good mileage. Obviously "podedwards" has it. Every engine and drivetrain configuration have "sweet spots". If we stay in them, and observe common sense MPG driving techniques our mileage will be better than if we don't. My neighbor just bought a new Honda Ridgeline. With a few hundred miles on the clock, he went to Florida. He was disappointed in the 20.01 mpg he got. Especially since the Ridgeline and Pilot are within a few pounds of one another and the gearing is the same. As it turns out, he was running 75 mph with full AC and cruise. He was out of the "Sweet spot"! Axle ratios can be misleading. A car with a 3.73 axle and 17" wheels can actually have an effectively higher ratio than one with a 3.55 and 16" wheels. Then the transmission ratios can also differ. The only way for us to tell is by driving different configurations and see how many RPM the engine is turning at a given speed in a given gear. Example: At 60 MPH my Pilot is turning about the same RPM with its 4.428 axle as the Ram did with the 3.55 axle. Kip |
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