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Thread: Petrol vs diesel

  1. #11
    Join Date
    Apr 2019
    Location
    Melbourne
    Posts
    12
    Anything with ~200k km+ on it already and, wanting another 100k km out of it: petrol for reliability and therefore, petrol to save money (and that includes the additional litres of petrol you may use...).

    Now that the L319/320 have been out and about so long, the petrol variants (both V8 and V6) have shown that they give way less trouble over the long term. All of the 'restricted performance'/go-slow/crawl home events I had over 5 yrs/~100k km (there were a lot) were related to common TDV6 issues - EGR's, turbo/wastegate, never ending fuel system issues, gearbox/torque converter...

    Yeah, the TDV6 goes alright, and it's not bad on fuel, but the restricted performance events get very tiring. These are on top of the other normal stuff that need attention like front end bushings, tailshafts, handbrake, wheel bearings, compressor, CANBUS etc etc. that you still have to deal with on the petrol models.

    I'm currently looking to get back into the L319/320 thing, but it won't be a TDV6.

  2. #12
    Join Date
    Apr 2008
    Location
    Brisbane or Arrawarra
    Posts
    9,753
    A lot of those diesel issues relate to the 3.0L or the D3.

    The D4 2,7 has been the least problematic of any of them,uprated from the D3, with very few if any issues at all.
    Whether it has fewer issue than the petrols,who knows,but it would go close.

    And with a BAS tune it certainly gets along well,and the EGRís will never have an issue.
    But as others have said the rest of the vehicle is pretty maintenance hungry,and loves to empty the wallet.
    paul

    D4 MY12 white,2.7(with a few more killer wasps) rear air,e diff,xenons,arb bar,7 seat ,18" bfg KO2

    Puma Defender 110 (son's)ARB
    bar,snorkle,rocksliders,rack,KM3's,BAS chip

    '56 S1,been in the family since...'56

  3. #13
    Join Date
    Jan 2014
    Location
    coonarr qld
    Posts
    122
    Quote Originally Posted by Aussie Jeepster View Post
    I have a V6 petrol, and I love it!
    We tow a 16" van and I'm ok with the economy - I didn't but it to be cheap to run!
    It gets serviced every 6 months, and having just had a service, it is running like a dream
    On country runs, I get 13 - 15 l/100k and towing is around 19-20.
    I don't use it as a daily driver so the city fuel consumption is not an issue for me, but I wouldn't trade it for anything at the moment.
    About the same economy I get with my rotten (dpf equiped ) BT50

  4. #14
    Join Date
    Feb 2007
    Location
    Brisbane
    Posts
    4,367
    I had 2007 D3 SE V6 for 4 years and 100,000k. Loved the car but yes, thirsty. The thirst was offset by the 64k drive away price I paid vs the then $82k for the TDV6. I retaught myself how to drive and after a year or so could average 14's combined. On sand it'd easily be over 30 I do remember it running out of puff close to 100 kph; couldn't pass a dodgy curry at that speed.

    The TDV6 D4 was much better all around. The SDV6 a step up again.
    Disco 5 SD4 HSE 2018
    Disco 4 3.0 SDV6 2014
    Disco 4 2.7 2011
    Disco 3 V6 SE 2007

  5. #15
    Join Date
    Jan 2007
    Posts
    1,101
    Quote Originally Posted by sharmy View Post
    About the same economy I get with my rotten (dpf equiped ) BT50
    Yeah check out Dash off-road re towing a 3 tonne van with a Navara vs his old Y62. He says don't do it for safety and economy which goes to over 20l/100ks plus towing up hills is dramatically slower...so journey time is vastly longer.

    Lady with a TDV8 rangie tows a 3 horse float and gets worst figures of 18l/100klms which is way better than her old 200s. On highway not towing she got 9s.

    That car/engine privides the best of both worlds re power/economy☺

  6. #16
    Join Date
    Dec 2011
    Location
    Adelaide
    Posts
    671
    Closest I got in a country run was 15.5, but I guess the big muddies don't really help with fuel economy. What kind of tires are you running?[/QUOTE]

    I've got Pirelli 255/60/18 ATR+ tyres, and just got home from Burra, in the mid north of SA - averaged 11.5 to 12.6 on the 400km trip there and back, sitting on 102-105kph.
    2006 Disco 3, 4L V6 Petrol SE
    No 5 Trailer ARN 177-295
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  7. #17
    Join Date
    Apr 2008
    Location
    Brisbane or Arrawarra
    Posts
    9,753
    Quote Originally Posted by INter674 View Post

    Lady with a TDV8 rangie tows a 3 horse float and gets worst figures of 18l/100klms which is way better than her old 200s. On highway not towing she got 9s.

    That car/engine privides the best of both worlds re power/economy☺
    Dash read out or worked out actual?
    There is usually quite a difference,particularly with LRís.
    paul

    D4 MY12 white,2.7(with a few more killer wasps) rear air,e diff,xenons,arb bar,7 seat ,18" bfg KO2

    Puma Defender 110 (son's)ARB
    bar,snorkle,rocksliders,rack,KM3's,BAS chip

    '56 S1,been in the family since...'56

  8. #18
    Join Date
    Jan 2007
    Posts
    1,101
    Quote Originally Posted by scarry View Post
    Dash read out or worked out actual?
    There is usually quite a difference,particularly with LRís.
    From memory actual. He also notes the rpm is high when towing and seldom gets out of 4th gear. I tend to agree with comments that the claimed 3.5t tow capacity is more a product of marketing than engineering in these vehicles.

  9. #19
    Join Date
    Jul 2020
    Location
    Perth
    Posts
    4
    Quote Originally Posted by Aussie Jeepster View Post
    Closest I got in a country run was 15.5, but I guess the big muddies don't really help with fuel economy. What kind of tires are you running?
    I've got Pirelli 255/60/18 ATR+ tyres, and just got home from Burra, in the mid north of SA - averaged 11.5 to 12.6 on the 400km trip there and back, sitting on 102-105kph.[/QUOTE]


    alright, time to dump my muddies then.
    I guess another thing that influences fuel economy are the big roof racks that came from factory, but they are so cool I can't possibly get rid of them.

    Thanks everyone for the input, I guess I'll stay with the petrol if I can somehow manage to bring down the fuel consumption.


    Does anyone know if long range fuel tanks for the petrol exist?

  10. #20
    Join Date
    Mar 2016
    Location
    Bellmere QLD
    Posts
    588
    Yes they do but you need to get the spare out from under and onto a carrier as that is where the aux tank goes.

    RWC1.jpg

    I don't have one but fitted this to make life easier if need spare in bush. Will probably get an aux tank later.
    There is no eraser on the pencil of life.

    Now - 2008 D3 SE 4.0l V6
    Was - 2000 D2 TD5 with much fruit.

    Ray

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