Petrol v Diesel

The never ending argument … the petrol versus diesel debate.

This old campfire argument has been going on for years and will probably never let up. Everyone has their own opinions and reasons for choosing what they buy. Well for now they do.

That is unless the influential parties with reasons to gain from limited choice have their way.

It is interesting that one of the things we’ve notice over the last few years is the increasing demand for modern diesel engine rebuild kits. There has been a resurgence in demand as modern engines start to fail with less kilometres travelled than my pushbike.

Most 4WDers are aware of the hand-grenades Nissan brought out in the early 2000’s with their 3.0L Renault motor, but the Hilux/Prado D4D is also causing serious grief, and even the Landcruiser V8 twin turbo engine rebuild kits are selling faster than spark plugs for my old 1FZ-FE engine. What has the industry done when some of the early diesel engines like the venerable 1HZ and TD42’s are still running original glow plugs.

Here’s my opinion … our European mates have stuffed us all up.

They’ve have been running around in diesel Citroens, Renaults and Golfs for years, smogging up their beautiful cities. Diesel fuel ‘was’ dirt cheap which drove their preference to these slow but economical buzz-boxes. The black diesel smoke have driven their authorities to imposing strict rules on emissions that manufacturers are simply struggling to meet. They have essentially tweaked, tuned and turbocharged these smaller and smaller engines to within an inch of their life before releasing them across the world. However our larger spaces and lower fuel consumption volumes at some fuel outlets mean risk of contamination is higher as is resultant engine failure. But we are a bit different here in Australia, we don’t have major towns within 30kms of each other, ours are about 300kms apart.

We lug big our 4WD’s and heavy loads for thousands of kilometres on holidays.

Old schoolers will swear by diesels for crossing rivers without concern, but times have changed, this is no longer the case with modern diesel engines covered in electronics and wiring just as susceptible to water as spark plugs are.

Plus roads and even tracks are much better than they were even 20 years ago. So you can throw that argument out.

Car manufacturers, oil companies and associated big industry players are eyeing off a lucrative future of servicing high tech diesel engines that are now more complicated than most petrol engines. Its almost turned a full 180 degrees. Even the motoring clubs and insurers are pushing the diesel option in their surveys and tests. A small comparo dug up off the interweb shows the real operating cost differences are minimal. But not when it comes to repairs and this is something car manufacturers, dealerships and motoring authorities are not telling the public.

The current cost of repairing a modern diesel engine is horrendous, and isn’t going to decrease.

So one has to wonder if the V6 petrol powered utes and V8 petrol powered wagons are actually going to start finding themselves higher up on the shopping lists. Nissan have seen new car sale prices of their Y62 Patrols vary considerably but don’t be surprised to see the petrol engine 4WD’s start to gain favour as diesel owners get sick and tired of the reliability and cost issues being found with this new breed of high tech, extreme tolerance diesel engines.


Cheers, Chris Blakemore

 Article from australiaontrack 

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Comments 7

  1. Interesting read about Jap diesels. You should have brought a Landy then. My D4 3litre twin turbo at about 140k & not a gram of trouble after 5+years. Changed oil at 10k or 6 mths instead of suggested 12 mths or 25k however

  2. After our V6 3.0lt diesel EGR valve jammed open and blew the engine we were quoted $22k plus to repair. We opted for a new Patrol Y62. Yep. Petrol 5.6lt V8. It tows our van using only 1.2lt per hundred km extra and it has twice the power and 15% more torque than the diesel.
    Also No EGR, DPF or turbo, so no more problems from those items. Also a full set of injectors for the Patrol cost less than one injector for the diesel.
    I would recommend the new American Petrol engines to everyone needing towing power.

  3. I have a 2008 Landcruiser petrol V8 which everyone knows eats juice (around 19 litres per 100
    But mine is on gas as well
    When I equate 80 cents a litre back to real costs I get better than a diesel and have a real V8
    It might not have the low end torque but get it over 3500 revs and it will accelerate up hills with a 2800 kg van behind
    And it has spark plugs without the ongoing diesel costs
    Go petrol

  4. very interesting article we will be looking for a new tow tug in acouple of years and will be more open to a petrol now

  5. Petrol v diesel I have a 1998 Fzj105r live axle 4.5 petrol I bought this over diesel due to the extra cost to purchase cost and cost to repair diesel one. My reliable cruiser now has over 420,000 klms on it and never been apart I have kept it serviced since I have Owen it . I have Owen it 10 years travel around oz towing a 30ft caravan and 22ft one that I now have , even though my cruiser likes a drink I still think I am ahead especially, since I have meet 2 owners of diesel prados that had new engines due to water in there fuel $15k fix & another one hilux cost full new motor $15k so I think I am happy with the,purchase of my petrol, I could have one awesome motor for $15k .

  6. I have 2012 Triton auto GLX-R diesel. I have bulbar, winch, canopy, and a set of draws. On a good day around town, fuel Consumption is around 14ltrs per 100. I towed a empty box trailer for an hour and it went up to 17.8. that took three days for the fuel consumption to return to 14. If I can coast at 61klms per/h at 1200 rpms I’ll see 12.? How long can drive down hill for? One guy said his TRITON will do 13 ltrs towing a 2 horse, horse float loaded. This fuel consumption is worse than my old 02 V6 petrol pathfinder. I have thrown a lot of money at this Triton to fix it. DIESEL V PETROL!

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