2006 CRD Fuel Mileage - JeepForum.com

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post #1 of 17 Old 10-02-2006, 11:01 AM Thread Starter
tim273
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2006 CRD Fuel Mileage

Hello Everyone,

I've been reading some of the posts on here about the fuel mileage on the CRD's. I've been calculating the mileage on our CRD and it's been disappointedly low. Last I calculated it was about 20 MPG. I remember thinking "20 MPG, THAT'S IT?!?!" I mean, come on, it's a diesel!! If the VW TDI's get about 40-50MPG ours has to be better than 20?!? My brother-in-law has a big Chevy pickup with a diesel and he says it sometimes gets 20 MPG. I may have calculated wrong, but so far that seems to be the average.

Here's the other factors that I may have not considered:

1. This is mainly city driving mixed with some highway (maybe 65/35)
2. Usually there are 2 people and a toddler as passengers and not too much cargo (just groceries or stuff from the store)
3. There are 8000 miles on it. I know there's a "break-in period" for diesels and I'm not sure when that is.
4. My wife does a lot of the driving and she sometimes accelerates a lot
5. We tend to leave it running when we make quick stops at the store. My brother-in-law said one of the worst things for a diesel are the quick 15 minute trips to the store when you stop and start it

I saw the other post where someone got 26MPG going 75MPH and full of people so maybe I'm calculating wrong. I'm not sure, any suggestions would be helpful.

Thanks,
Tim

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post #2 of 17 Old 10-02-2006, 11:29 AM
BVCRD
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Quote:
Originally Posted by tim273
Hello Everyone,

I've been reading some of the posts on here about the fuel mileage on the CRD's. I've been calculating the mileage on our CRD and it's been disappointedly low. Last I calculated it was about 20 MPG. I remember thinking "20 MPG, THAT'S IT?!?!" I mean, come on, it's a diesel!! If the VW TDI's get about 40-50MPG ours has to be better than 20?!? My brother-in-law has a big Chevy pickup with a diesel and he says it sometimes gets 20 MPG. I may have calculated wrong, but so far that seems to be the average.

Here's the other factors that I may have not considered:

1. This is mainly city driving mixed with some highway (maybe 65/35)
2. Usually there are 2 people and a toddler as passengers and not too much cargo (just groceries or stuff from the store)
3. There are 8000 miles on it. I know there's a "break-in period" for diesels and I'm not sure when that is.
4. My wife does a lot of the driving and she sometimes accelerates a lot
5. We tend to leave it running when we make quick stops at the store. My brother-in-law said one of the worst things for a diesel are the quick 15 minute trips to the store when you stop and start it

I saw the other post where someone got 26MPG going 75MPH and full of people so maybe I'm calculating wrong. I'm not sure, any suggestions would be helpful.

Thanks,
Tim


Hello, that was my post. I have gotten as high as 31 mpg when only driving 55 mph on 100% highway. I speed up a little until I see the rpms drop and that tells me it is in 5th gear then coast back down to the desired speed. You're doing most things wrong to get the best mpg. First, city driving kills the mpg. 20 is probably about what you should expect. 2nd, you are getting upwards in the break in period so that isn't a factor anymore. 3rd, tell your wife to not jump on the throttle. That kills mpg no matter what you are driving. 4th, turn the engine off if you will be stopped more than say 20 seconds. You will save fuel by doing so. Your Bro inLaw is correct.... sort of. Our CRDs have a quick heater in them that gets us up to temp faster than usual. As long as the temp is getting up to operating temp, it doesn't hurt it to shut it off. Mine gets up to temp in about 4-5 minutes.

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post #3 of 17 Old 10-02-2006, 09:02 PM
Tough Guy
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City driving kills mileage for all vehicles except the hybrids....

I live in a rural area, and typically get 22-24mpg with mixed driving....on longer road trips seeing 26-30mpg is very common.

Chris

2006 Jeep Liberty CRD Sport 4X4 2/06 Build Date. Stock for now....
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post #4 of 17 Old 10-02-2006, 10:21 PM
dthorpe
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I get 23 in city and 28 on flat highway. I was getting 14 in the city with my F150, so I'm happy. This is the only vehicle that will tow 5000 lbs. and get 23 mpg in the city (when not towing). So for a person who has to occasionally tow, but does a lot of commuting, the CRD is pretty good. IMO, if you don't tow, you can find much better solutions than the CRD.
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post #5 of 17 Old 10-03-2006, 07:38 AM
BigCanoe
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21-22 in mostly town (45mph, stoplights) driving

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post #6 of 17 Old 10-03-2006, 09:25 AM
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I just did a test on my "gas" fed liberty, Over the past week, driving to and from work, highway, and some short in town stops, I averaged 18.5 mpg. Not bad. I wonder how much better it would be if I got a K&N filter and a better breathing cat back setup.
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post #7 of 17 Old 10-03-2006, 02:55 PM
JD Cooper
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My 2006 CRD does 23-24 when used in combination driving AKA city/highway. (I commute from the country to job in town) It got 25.5 highway miles on two separate highway trips each of about 700 miles. (these trips are in South Texas in hot, dry, dusty conditions) I typically drive 70-75 MPH.

J
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post #8 of 17 Old 10-03-2006, 03:02 PM
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Quote:
Originally Posted by JD Cooper
My 2006 CRD does 23-24 when used in combination driving AKA city/highway. (I commute from the country to job in town) It got 25.5 highway miles on two separate highway trips each of about 700 miles. (these trips are in South Texas in hot, dry, dusty conditions) I typically drive 70-75 MPH.

J


Unlike gas engines, diesels actually prefer hot weather. Best to keep it at 1800 rpms in 5th for the best mpg.

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post #9 of 17 Old 10-05-2006, 10:52 AM
fdonham
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CRD Mileage

I only have 2500 miles on my CRD, and have gotten 26 mpg on the highway, with some hills, driving the speed limit(55-70 mph). I get about 22 mpg in a mixture of highway and in town driving. The only problem is diesel is 2.49 and regular is 2.12, so much of the gain in mpg is negated by the extra cost of diesel. I wonder when diesel prices will return to nearer the cost of regular. When I bought my CRD there was only a .04 difference; now its .37.
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post #10 of 17 Old 10-05-2006, 05:51 PM
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Quote:
Originally Posted by fdonham
I only have 2500 miles on my CRD, and have gotten 26 mpg on the highway, with some hills, driving the speed limit(55-70 mph). I get about 22 mpg in a mixture of highway and in town driving. The only problem is diesel is 2.49 and regular is 2.12, so much of the gain in mpg is negated by the extra cost of diesel. I wonder when diesel prices will return to nearer the cost of regular. When I bought my CRD there was only a .04 difference; now its .37.
The cost of diesel is not going to go down anytime soon, due to the fuel companies being forced to supply better quality fuel. Of all countries that have diesel engine in vehicles we have the worst fuel of all.
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post #11 of 17 Old 10-06-2006, 05:18 AM
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Quote:
Originally Posted by rob92xj
The cost of diesel is not going to go down anytime soon, due to the fuel companies being forced to supply better quality fuel. Of all countries that have diesel engine in vehicles we have the worst fuel of all.
Not to mention that industrial applications are increasingly using diesel, the home
heating season is upon us, and for the good part, American auto/truck manufacturers are about to jump big time into it. So are the Japs. The Germans have known about the benefits of diesel for centuries.
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post #12 of 17 Old 10-06-2006, 06:42 AM
BVCRD
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Gas and diesel are the same price here. Down to $2.56 from $3.39.

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post #13 of 17 Old 10-06-2006, 06:41 PM
peje
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I have just come from a 350miles trip, belive it or not my Liberty V6 GAS did very very good 21-22 mpg. During this trip i did not have to stop at the gas station at all. The all trip I was driving 60-70mph so i wonder how come the CRD is not getting better mpg than 25-26.
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post #14 of 17 Old 10-06-2006, 08:33 PM
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Quote:
Originally Posted by peje
I have just come from a 350miles trip, belive it or not my Liberty V6 GAS did very very good 21-22 mpg. During this trip i did not have to stop at the gas station at all. The all trip I was driving 60-70mph so i wonder how come the CRD is not getting better mpg than 25-26.
They will if they are running healthy and driven carefully. I've run mine up to 480 miles and refilled with @ 17 gal. (roughly 28 mpg). That was running cruise control, 70-75 mph on a mountainous expressway, dry 90+ degree day. It would easily do the 500 miles claimed by Jeep but was too far to chance to the next fuel stop. Superior mileage still won't off-set the 60 cent/gal fuel cost premium I currently have to pay over gasoline.
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post #15 of 17 Old 10-07-2006, 04:32 PM
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They do, or at least mine does when I drive civilized at 55 and on flat ground. Gets 31 then.

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