Jeep Cherokee XJ 4.0l fuel consumption





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  1. #1
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    Default Jeep Cherokee XJ 4.0l fuel consumption

    Hi guys

    I'm considering buying a Jeep cherokee but are torn between the 4.0 and the 2.5 diesel?

    What type of fuel consuption can i expect with each one. what about maintenance.

    Going to be used daily to work and back and (hopfully) for a trip to Namibia this December.

    Don't want to spend my hole salary on a fuel bill but would love to have enough power to do what is required

    Thanks in advance

  2. #2
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    Get the Petrol, diesels are un reliable & expensive to fix.
    I average around 23mpg, a friend who had a diesel got 27mpg, but spent alot of money when the diesel needed new heads.
    Cheers
    Steve Wright

    2007 Grand Cherokee CRD Overland
    2017 Renegade Ltd, SWMABO's ride
    Planet-X London Road x2 & 2011 Cube Analog, powered by chips & beer
    Previous Jeeps- 8 XJs, 3 KJs, 3 WJs, 2 TJ's & an MJ

  3. #3
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    Hello

    I would also recommend the petrol. Attached is a spec page from Car Mag 2001 listing fuel consumption, performance figures, etc vs. other vehicles. The diesel isn't dramatically lighter but their engines can give costly problems after having done high mileage. The petrol motors can take more thrashing.

    The issue of using it for work depends largely on how far away you live, but don't expect it to be light on go-go-juice, especially the 4.0, when you stand on it (which is a continuous temptation).

    Maintenance on these vehicles is never going to be cheap, but make use of the info on this Forum to determine where to have the various components of your Jeep maintained. By doing this, you will save thousands.....I have.

    Also, have a look at a thread from Matt C, before you buy.

    I can only speak from my own experience but the XJ 4.0 is an amazing machine for the money, with plenty power to conquer Namibia, as well as the rest of Africa.

    Good luck
    Attached Images Attached Images

  4. #4
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    Realistic fuel consumption for the Petrol

    12-15 l/100km open-road
    15-19 l/100km town only
    Vic

    "We are plain quiet folk and have no use for adventures. Nasty disturbing uncomfortable things! Make you late for dinner!"

    2019 Suzuki Jimny - 235/75R15 M/T's, lifted
    EX 2012 Suzuki Jimny 1.5 - 215R15C's, Steel undies, lifted and locked. - CRASHED
    EX 1984 Suzuki SJ410 - 245/75R15 Muddies, Nissan A15 Motor, OME's - SOLD
    EX 2008 Suzuki Jimny - 215R15C's, Mounty's Rock Sliders, tow-bar
    EX 1996 Jeep Cherokee XJ OME's 30x9.5 A/Ts

  5. #5
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    Okay I think I've decided...

    It will be the 4.0l

    Has anybody heard of LPG conversion. I've read up about it and can get it done for R8000 maybe even cheaper. Will almost half fuel consumption. Well fuel consumption will go up by aprox 4% but the price is about half per liter of LPG.

    Any comments or experiences. What do we pay for LPG gas nowadays?

  6. #6
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    Quote Originally Posted by Henry2be View Post
    Okay I think I've decided...

    It will be the 4.0l

    Has anybody heard of LPG conversion. I've read up about it and can get it done for R8000 maybe even cheaper. Will almost half fuel consumption. Well fuel consumption will go up by aprox 4% but the price is about half per liter of LPG.

    Any comments or experiences. What do we pay for LPG gas nowadays?
    Hi.

    I investigated the same route for my Landy, it is not worth it.
    Very popular in the UK.
    Last time I got LPG R340 for a 19kg cylinder...

    Good Luck!
    89 110 V8

    A closed mouth gathers no foot

  7. #7
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    Gasprices to be regulated soon.
    Price will drop by minimum of 30%

    Might drop even further according to an article by www.iol.co.za on the 15 Sep 09.

    It might still be worth it.
    Last edited by Henry2be; 2009/09/16 at 11:08 AM.

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    http://www.iol.co.za/index.php?set_i...5639123C954556

    The link to the article.

    I'm game8)

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    I had a 1994 Jeep 4.0L auto..... 8.4km/l open road and 6.0km/l in town.

  10. #10
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    8.4km/l = 11.9l/100km
    6.0km/l = 16.7l/100km

    A bit better than my best, but I have 30" tyres, 2" lift and a roof-rack
    Vic

    "We are plain quiet folk and have no use for adventures. Nasty disturbing uncomfortable things! Make you late for dinner!"

    2019 Suzuki Jimny - 235/75R15 M/T's, lifted
    EX 2012 Suzuki Jimny 1.5 - 215R15C's, Steel undies, lifted and locked. - CRASHED
    EX 1984 Suzuki SJ410 - 245/75R15 Muddies, Nissan A15 Motor, OME's - SOLD
    EX 2008 Suzuki Jimny - 215R15C's, Mounty's Rock Sliders, tow-bar
    EX 1996 Jeep Cherokee XJ OME's 30x9.5 A/Ts

  11. #11
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    Quote Originally Posted by Tarzan View Post
    I had a 1994 Jeep 4.0L auto..... 8.4km/l open road and 6.0km/l in town.
    Read an article that made some calculation about the savings you can expect when converting to LPG.

    It works out to around a 40% saving that would put the Jeep 4.0l in the 10 KM/l
    Range!!!!!

    I really hope it's possible. If it is I will be saving loads if not I'm still buying a Jeep only it might be the 2.5 turbo diesel instead of the 4.0l

  12. #12
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    How does R50 000 sound for and 1998 jeep cherokee 4.0l auto with 38 000 km on the clock?

    I think that's to good to be true.

    Wish I had my money now

  13. #13
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    If that is real mileage , grab it.
    Vic

    "We are plain quiet folk and have no use for adventures. Nasty disturbing uncomfortable things! Make you late for dinner!"

    2019 Suzuki Jimny - 235/75R15 M/T's, lifted
    EX 2012 Suzuki Jimny 1.5 - 215R15C's, Steel undies, lifted and locked. - CRASHED
    EX 1984 Suzuki SJ410 - 245/75R15 Muddies, Nissan A15 Motor, OME's - SOLD
    EX 2008 Suzuki Jimny - 215R15C's, Mounty's Rock Sliders, tow-bar
    EX 1996 Jeep Cherokee XJ OME's 30x9.5 A/Ts

  14. #14
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    Quote Originally Posted by Henry2be View Post
    How does R50 000 sound for and 1998 jeep cherokee 4.0l auto with 38 000 km on the clock?

    I think that's to good to be true.

    Wish I had my money now
    Is it red? If so, be careful as it might be the same one that Matt C warned us about on this forum. Apparently it has been bent.

    Again I would like to stress that you get as much info off the related threads on this forum before buying .

    Also, isn't converting a 4.0L monster to run on LPG a bit like cross breeding a Pitbull with a Poodle

  15. #15
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    I get btwn 6 - 6,5 km/l around town. That is with stock ratios, 31" tyres and a fairly heavy foot.
    I am very happy with the performance, only real thing I had to spend money on was the exhaust manifold and the waterpump.

    And that is way better than the 3,7KJ which gets btwn 5 - 5,5 km/l around town.
    Last edited by Red-J; 2009/09/17 at 04:07 PM.

    1999 Jeep XJ 4.0L Sport
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    6,5"Lift | TNT Customs Y-Link Longarm Upgrade |BDS Coils | JKS Quicker Disconnects | OME Leafs | 2,5" Block & JKS 1" Boomerang shackles | Skyjacker Nitro Shocks | Bushwacker Fender Flares | 33"Cooper STTs | IPF Headlight upgrade |6" KC Daylighter Spots | Gobi-X Bumpers & Rock-sliders | Airflow Snorkel | ARB Lockers | 4.56 ratios |G2 HD D35 Shafts | Rear Disk Brake Conversion | HD Steering Upgrade

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  16. #16
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    Maybe my philosophy on fuel consumption is wrong, but it is mine and I stick to it:

    "When empty fill it up and go" When you drive a 4 liter you fill and go, the pleasure is way above the consumption
    Deon

    SOLD DUE TO HEALTH PROBLEMS AFTER MOTORCYCLE ACCIDENT

    1998 Cherokee Country 4.0 (Lexus V8 powered) aka Shrek. 3" lift, 1" wheel spacers, TJM front bumber/bushbar & some "little" sound system mods for my driving pleasure.

    PS: I have never bought or built a car with fuel economy in mind - it's like oxygen, you need it, you get it.

    It is big, green and loves doing it in the mud


    Platkar: 2014 MITSUBISHI ASX GLS

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    Quote Originally Posted by Country Jeeper View Post
    Maybe my philosophy on fuel consumption is wrong, but it is mine and I stick to it:

    "When empty fill it up and go" When you drive a 4 liter you fill and go, the pleasure is way above the consumption
    the problem is not to empty the tank, it is the cost to fill it.
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  18. #18
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    Quote Originally Posted by Country Jeeper View Post
    Maybe my philosophy on fuel consumption is wrong, but it is mine and I stick to it:

    "When empty fill it up and go" When you drive a 4 liter you fill and go, the pleasure is way above the consumption
    hahah same here. i think most of the time we kid ourselves expecting a 4L to be economical

    the first day i got my TJ, my eye was on the trip mileage counter thing, i got a real shot coming from a citi 1.4, then i just display the car mileage...

    everyone asks me "so how is the fuel consumption?" and i answer, it's a 4L so you can just imagine...

    the pleasure is way above the consumption...

    it's a life style choice
    Live without limits

  19. #19
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    I have the diesel and if looked after they run well. Just did a 2000km trip (700km gravel and bad roads) to the Richtersvelt and back via west coast Eco Trail averaged 13l/100km (computer said I did 14.5l/100km). That is with 2 people full to the roof with luggage and a roof rack on. water and diesel in cans. Did between 100-120km/h on the tarmac.

    Unfortunately you don't know what previous owners have done to a diesel.
    Talk softly, carry a big stick.

  20. #20
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    Quote Originally Posted by XJ Junkie View Post
    Is it red? If so, be careful as it might be the same one that Matt C warned us about on this forum. Apparently it has been bent.

    Again I would like to stress that you get as much info off the related threads on this forum before buying .

    Also, isn't converting a 4.0L monster to run on LPG a bit like cross breeding a Pitbull with a Poodle
    Yes it's red so was it in a heavy accident?

    Damn thought it was to good to be true.

    Anyway they say it makes no difference to the performance of the vehicle if done properly(LPG conversions) There are many different injection system and they have been developed over the years. New hybrid cars like the Lexus Hybrid are coming out standard with a LPG tank....

    I kinda like the idea of screwing the petrol(oil) bosses and converting to something more cost effective.

    We are all way too dependent on some things in life like Petrol and Electricity to name a few.

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