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popeclement Profile
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
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Re: Diesel, LPG Or Petrol?


Have look at the figures I have posted on the T-31 diesel thread.

I intend to do a beach run next month once the engine is sort of run in. I am going to do a 1,000km country run (round trip) in two weeks time so will update.

But even at the stated consumption of 7.4 and the better resale the diesel engines are supposed to have, it should make a compelling argument for diesel.

John

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X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
16/Aug/2008, 2:35 pm Link to this post Send Email PM   Send Private Message
 
johnsey Profile
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Date Registered: 01-2007
Location: Melbourne, Wantirna
TOTAL POSTS: 435
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Re: Diesel, LPG Or Petrol?


For towing and offroad work a modern common rail diesel would work a treat. As for petrol / diesel price difference i think the gap will only widen. I believe the current sulphur content in diesel of 50 ppm will be reduced to 10 ppm in 2009. This means more technology and expensive equipment in the fuel refineries overseas.

All diesel is said to be imported now as our refineries haven't refurbished euqipment to produce the required grade. As already suggested in this thread diesel / gas could be the answer to offsetting higher diesel costs, and improving efficiency.

 emoticon

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Xcited Touring


Series 2 2005 ST Auto, nudge bar, driving lights, spoiler, GME 3100 UHF, towbar , bashplate, Yokohama Geolander AT-S and Kings Springs lift X495 (c)
21/Aug/2008, 8:16 pm Link to this post Send Email PM   Send Private Message Blog
 
andysxtrail Profile
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Date Registered: 09-2008
Location: Wollongong NSW AU
TOTAL POSTS: 64
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Re: Diesel, LPG Or Petrol?


Took a good hard look at teh Diesel when buying my new Exy. Great to drive, however I had to go back to the office and do some calcs to see how much cheaper it would be to run Diesel vs Petrol.
The following assumptions were made to get the calculations -
Average price of diesel for prior 3 months for Sydney region was $1.739/L vs Average Petrol Price in same region was $1.459/L.
Calcs based on Published Nissan Fuel rates of 7.4 and 9.5 respectively.
I then calculated this down to $/km. (Cost per tank / kms/tank)
Diesel was $0.129/L and Petrol was $0.139/L.
This means that over 10,000km, diesel would be $100 cheaper to run (Based purely on Fuel). As could be seen, it would take 100,000km before I would recoup the $1000 extra needed to purchase the Diesel.
Agree with what has been said previously re towing, lots of driving etc, dependant on the application of the car, both Petrol and Diesel have their advantages.
My specific application required lower kms and not much heavy towing so ended up with the petrol version.
Calculations were very eye opening for me and also for the salesman when he tried to tell me the diesel was "Way Cheaper than the petrol and would pay for itself within a year"....

Andy

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Andy (X982) (c)
2008 T31 TI 6 SPD Man in Precision Grey
Carpet Mats | Rear Carpet Mat | Cargo Barrier | Radiator Protection | Window Tint | Bonnet Protector | Driving Lights


13/Oct/2008, 10:15 pm Link to this post Send Email PM   Send Private Message Yahoo
 
ChrisJH Profile
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Date Registered: 07-2008
Location: Victoria Park, WA, AU
TOTAL POSTS: 92
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Re: Diesel, LPG Or Petrol?


I have a diesel, but I don't think it's a money saving option. I average about 8 - 9l per 100km all city driving atm, and at that rate, the petrol T31 would be about the same cost to run. The petrol will be cheaper to service as well.

But....

The T31 dci is an awesome car to drive. The engine is fantastic, and while nothing is wrong with the petrol T31, the diesel is much more fun. Has soo much power for a car that is still pretty economical. I love it, and would never go back to a petrol car. When we bought ours, the petrol models were free of on roads, so the $1000 difference actually was $4000. Best 4 grand I've spent.

Also, when we go to trade or sell the dci, hopefully we will be able to recoop a lot of the extra cash we paid, as diesel cars sometimes tend to hold their value better... hopefully....

We test drove both the dci and petrol cars back to back, and both are great cars, but after driving the dci, the petrol model, while a lot quieter, just seemed to lack a bit of get up and go.

But totally agree, that at the current fuel prices, diesel isn't really a money saving option unless you do a lot of driving.

Cheers,

Chris.






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Chris (X-918)
2008 TL Manual Precision Grey
Nudge Bar, Roof Bars, Tow Bar, Parking Sensors, Cargo Tray, Rubber Mats, Tint, Paint Protection, Rust Protection, Leather Protection, and a scratch from some w**ker in the IKEA car park..
:(:(
13/Oct/2008, 11:17 pm Link to this post Send Email PM   Send Private Message
 
kevo7 Profile
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Date Registered: 05-2009
TOTAL POSTS: 5
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Re: Diesel, LPG Or Petrol?


My exy is on the JTG liquid gas system and it has more power than when it is on petrol. Seem to be using not much more gas than petrol. Saving a heap of cash as at the moment down in Melbourne gas is only 42 cents a litre. The installer told me it has more power on gas because it has a higher octane rating than petrol. Maybe the tech people on the forum would know more about this.
30/May/2009, 1:27 pm Link to this post Send Email PM   Send Private Message
 
xcat Profile
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Date Registered: 08-2009
TOTAL POSTS: 12
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Re: Diesel, LPG Or Petrol?


i am pulling my hair out trying to work out if i should buy an auto petrol or diesel, we only avg around 15>20 000 km per year and although i already have a turboed gu and gq diesel patrol i dont need a tow car, i as others have done tried to work out the fuel running costs of both petrol vs diesel - and using 10.35 km per lt for the diesel and fuel price of $1.45 lt over 15 000 km adds up to to $175.00 mth or $2100.00 year vs 8.75 km per lt at $1.45 lt over the same distance = $208.00 mth or $2485.00 year- yeh i know the fuel price is the same in the calculation but who knows what way it will go?? either is by far better than using the gu at $275.00 mth or $3295.00 year just for running around in !

but as a diesel mechanic what worries me these days is what problems are we going to have outside the warranty period with these new diesels, injectores, dpf, pumps etc a bit like the nissan gu ZD30 engines - a well know hand grenade . so the shine soon comes off. i would normally be the first to buy a diesel any day but unless the cost of diesel comes down i may be looking at my first petrol car. anyone got other ideas ??????
cheers
xcat

24/Aug/2009, 10:16 pm Link to this post Send Email PM   Send Private Message
 
gu4500 Profile
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Date Registered: 06-2009
Location: NW Taswegia
TOTAL POSTS: 129
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Re: Diesel, LPG Or Petrol?


xcat

As a Petrol GU owner... I know what you are referring to. But I chose the TD Xtrail, on the basis that it was a much nicer drive - power, flat torque curve - over the petrol. And I figure, we now have decent low sulphur diesel (I use BP 10ppm) which is a big issue as well IMO with the ZD30, especially the early model failures......

Also, I figure, the problems will start to show within the warranty period, esp. as I do 2-2.5K per month.... so it should tick over 60-70K before it is out of the original warranty, and then I can take the Nissan extra warranty if i have doubts.

Assuming I still own it then, seeing as my last lease car was gone at ~2.5 years and ~65K.....

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Ian X-1289(c)
2009 Platinum TL Xtrail - Scanguage2, Mio Moov360 GPS, Fridge, 100AH AGM 2nd battery, cargo barrier.
1998 GU Patrol 4.5 Petrol, lifted locked, barred...... so much there.
27/Aug/2009, 2:05 am Link to this post Send Email PM   Send Private Message
 
xcat Profile
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Date Registered: 08-2009
TOTAL POSTS: 12
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Re: Diesel, LPG Or Petrol?


hi gu4500
, thanks for the reply - i agree if i was only to keep the car for the lease period i would by the diesel. but we may keep this car for a lot longer and it may become one of our kids cars so i am looking toward an engine that will give ex long term driving with the least of problems . so will this new diesel proove it self ???
27/Aug/2009, 7:33 am Link to this post Send Email PM   Send Private Message
 
gu4500 Profile
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Date Registered: 06-2009
Location: NW Taswegia
TOTAL POSTS: 129
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Re: Diesel, LPG Or Petrol?


xcat

I reckon this vehicle will be around after the lease is up - will buy it out for the wife.

But I haven't seen anything negative on this engine from looking on the net, and I certainly hope this motor will do 200-250K without any problems.

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Ian X-1289(c)
2009 Platinum TL Xtrail - Scanguage2, Mio Moov360 GPS, Fridge, 100AH AGM 2nd battery, cargo barrier.
1998 GU Patrol 4.5 Petrol, lifted locked, barred...... so much there.
29/Aug/2009, 9:27 pm Link to this post Send Email PM   Send Private Message
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6006
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Re: Diesel, LPG Or Petrol?


Why is it that now Diesel in Sydney is cheaper than ULP ?
Makes the diesel choice easier emoticon

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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30/Aug/2009, 9:58 pm Link to this post Send Email PM   Send Private Message Blog
 


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