AUSTRALIAN X-TRAIL FORUM :: Fuel & Oil :: Fuel consumption (T30 & T31 [sign in to see URL] Petrol Versions)

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Fuel consumption (T30 & T31 [sign in to see URL] Petrol Versions) (Sticky)

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Townsville78 model Profile
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X-TRAIL NEWBIE

Date Registered: 07-2012
TOTAL POSTS: 23

Re: Fuel consumption (T30 & T31 2.5LT Petrol Versions)

I LEFT my fuel consumption redout going without reseting to get a long term figure(over a year). I get 9.6 per 100 Km. prior to that rhe best reading was a highway one on the trip to Cairns. 8.4L/100Km. Running 36 Psi tyre preasure.

Last edited by Townsville78 model, 5/Aug/2012, 5:33 pm

16/Jul/2012, 6:05 pm

DogTrail Profile
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X-TRAIL FANATIC

Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481

Re: Re:

Good ya reckon? I spose its the truckie in me trying to screw down the fuel usage. I thought it was high. ohwell.

For that pattern of usage, (long distance runs) I'd see it as higher usage than expected.

To me, the sweet spot for economy seems to be around 90 kph.

Unless tailgating at higher speed with a known friend in constant radio contact - but of course I don't do that as tail-gating is illegal.

Over 100 kph there is a penalty as the (slightly rounded) brick has passed its best points of wind resistance / aerodynamics.

An average 110 kph run will probably cost about 20% more fuel over the same distance than a 90 kph run.

However you might get there a bit sooner if you don't stop to smell the roses...

The speeds quoted are based on GPS readings.

If you switch off the GPS, then the speedo reading at just below 100 kph sits you into the best economy zone.

Others on the road using GPS as a speed indicator, may pass you and wave.

Isn't it amazing how many people must have lost 3 fingers in woodworking accidents?

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2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT with bonnet and headlight protectors, neat Nissan mats and after-market HD towbar with added step for the old dogs. ;) Garmin GPS, slimline shields & further add-ons pending.

16/Jul/2012, 11:28 pm

jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094

Re:

I would never be able to drive a car at 90kms/hour in a 110kms/hour highway zone. That would put me to sleep straight away, especially if cruise control was engaged....I don't mind the extra fuel consumption as a result of sticking to the speed limit emoticon

Last edited by jalalski, 17/Jul/2012, 8:53 am

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17/Jul/2012, 6:06 am

trailx Profile
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X-TRAIL HOLIC

Date Registered: 10-2005
Location: way west of Mareeba FNQ
TOTAL POSTS: 1233

Re: Fuel consumption (T30 & T31 2.5LT Petrol Versions)

Agree with you 100% Jalal, like those 90kph limited zones in dangerous sections of highways are supposed to make it safer for us, they just send me to sleep too, esp with cruise control. emoticon

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Julie X-231(c)
2005 ST Manual Platinum
Yokohama GO12, towbar, roof rack, luggage pod, bonnet protector, weathershields L&R, floormats

17/Jul/2012, 8:31 am

ozstickman Profile
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X-TRAIL ENTHUSIAST

Date Registered: 04-2008
Location: Rockhampton QLD
TOTAL POSTS: 127

Re:

I was one of those 90km/h trucks out there but never really anywhere of great population. Had three swinging off the back. The truck was limited to 94km/h. I mainly ran out west and up north.

I tried driving like a little old lady for the last 2 days, with about 80km of highway and 90km of round towning and got the usage down to 8.1l/100km. I sat up on my speed but i didn't rev her too hard and didnt race to get to speed. Once i started to stand on her this afternoon I shot it up to 8.6l/100km in only 12km of travel.

The split speed thing is annoying. An example is a 110km/h zone which cars can do 110km/h legal, a B Double or smaller truck can only do 100km/h legally but if you are in a road train or oversize you can only 90km/h legally. Its stupid because everyone doing the same speed just wouldn't make sense right.....

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2008 T31 Series I White
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Member X-826c

17/Jul/2012, 7:52 pm

davess Profile
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X-TRAIL NEWBIE

Date Registered: 07-2012
Location: S/E Melbourne
TOTAL POSTS: 28

Re: Fuel consumption (T30 & T31 2.5LT Petrol Versions)

Hey all, first week with the xy and first tank looks like 9.9L/100Km mixed . Which coming from a D21 that averaged 20L/100Km, leaves me impressed add to that it being nearly double the power and half the weight.

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Member number X-2545
2002 X-trail ST 5sp, s/m flywheel, factory nudge bar, 14" led light bar, track mount roof bars and tow bar.

25/Jul/2012, 7:59 pm

cooch t31 Profile
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X-TRAIL HOLIC

Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966

Re:

What was wrong with the Navara to give you that read average?

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Tony X-891c

HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1

26/Jul/2012, 5:51 am

davess Profile
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X-TRAIL NEWBIE

Date Registered: 07-2012
Location: S/E Melbourne
TOTAL POSTS: 28

Re: Fuel consumption (T30 & T31 2.5LT Petrol Versions)

Hmm I figured engine Z24S on LPG and weight 1700Kg? Nearly as bad but nowhere near as much fun as my Maverick which averaged 25L, as high as 40 off road.

Week 2 fuel consumption, all town no highway tyres at 40psi and a little happy with the go pedal 10.69.

Last edited by davess, 2/Aug/2012, 8:26 pm

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Member number X-2545
2002 X-trail ST 5sp, s/m flywheel, factory nudge bar, 14" led light bar, track mount roof bars and tow bar.

26/Jul/2012, 10:39 pm

DogTrail Profile
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X-TRAIL FANATIC

Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481

Re: Fuel consumption (T30 & T31 2.5LT Petrol Versions)

Just added a K&N air filter after 200Km into a full tank of BP 98 Ultimate,

Was reading 9.1 L/100 Km before fitting on 100% suburban driving on that fuel.

After 100 Km of highway, down to 8.9.

Another 50-60 Km of bad dirt road (quite rough but easily navigable 4wd) mixed with urban and showing 9.4 L/100Km on the dash.

Not sparing the horses, but so far the Caltex 91 looks like a better deal (mpg) than the BP Ultimate 98 although the 98 is quicker on the throttle when accelerating.

The truth will tell at the refill as there is still a couple of hundred Km to go of suburban driving before I need a refill.

For BP Ultimate to exceed the previous Caltex 91 cost/value, the consumption will need to be below 8.8 and that is disregarding any putative benefit from the better air filter.

Note: after fitting the new air filter it seems to idle smoothly about 100 rpm lower and I may enjoy hearing a little more 'throatiness' - although that may just be my fond imagination.

Update:

Refuelled with Caltex 91 after 662 Km on the BP 98.

Car computer showed consumption of 9.2 L/100 Km and the distance to refuel stopped registering 25 Km previously.

Driving consisted of about 70% suburban, 20% highway and 10% rough dirt road in 4wd.

It took 58.961 L to fill the tank to the brim which worked out to 8.9 L/100 Km or 11.2 Km to the Litre for BP 98 octane.

Now to see how the Caltex 91 performs...

Last edited by DogTrail, 10/Aug/2012, 10:21 pm

4/Aug/2012, 11:56 pm