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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re:
You must be driving no more than 60kms/hour and not exceeding 2,500RPM to achieve such a good fuel economy, as it's impossible to achieve such a result with a petrol T31 driving "freely"
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27/Jul/2013, 7:45 pm
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Ian Ewin
X-TRAIL FANATIC
Date Registered: 03-2012
Location: Newcastle, NSW
TOTAL POSTS: 471
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Re:
Yeah, maybe with a diesel, but I also have trouble grasping those figures for petrol. Even if I drove like an old lady, I was still always impressed when my stock T31 used to get 9 something litres per 100km(usually only on the highway).
--- Ian X-2305(c)
New: 2010 NT Pajero
Old: 2008 T31 Xtrail "The Monster"
The only one of her kind.. may she rest in peace :(
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27/Jul/2013, 8:03 pm
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DogTrail
X-TRAIL FANATIC
Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:
I rarely exceed 2500 RPM but I like to sit on the GPS limit for the area - which is usually 5 KPH higher than the speedo.
At the lights, I 'm usually first off the mark - I drop the toe to the usual 60 kph setting and let the CVT work it out from there. It usually beats the other cars - unless there is one bloke in a real hurry.
At 80 Kph (which covers most of my District), the tacho usually shows about 15-1600 rpm on level ground.
At 70 Kph, the fuel usage indicator sits at about 4 l/100 on level ground.
100 Kph is still below 2000 rpm.
110 Kph , barely over 2000 rpm.
She only gets any excitement on manual tip-touch runs of the manual version of CVT on exhilarating hill climbs. Then 4000 rpm is a good torque spot.
Probably sucks in the fuel at 20+ L/100 Km at that time but it is still part of the overall average.
However, as you say, she rarely exceeds 2500 rpm, although she does prefer to lope along a bit faster than 60 kph where possible.
I have discovered that the sweet spot for this car is 78 Kph by GPS for optimum efficiency.
(That would be the outside edge of the 8"0" for those without GPS and with the same gearing and Dunlop SP20 tyres at 38 psi front and 36 psi rear)
Last edited by DogTrail, 27/Jul/2013, 8:29 pm
--- 2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
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27/Jul/2013, 8:21 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re:
Yeah mate, I can't drive like that as I would feel like am walking along the car rather than driving it
I know it is hitting my hip pocket with the fuel economy and am not complaining, but I would much rather drive the car without having to watch the fuel bar consumption indicator 24x7
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27/Jul/2013, 8:25 pm
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DogTrail
X-TRAIL FANATIC
Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:
Driving a responsive car is fun, so do it for enjoyment - not economy.
I get both as the 'surge' of power is optional.
Usually unnecessary but there if I want it.
The key to getting the best economy from the 2.5L X-trail is probably the same key as getting the best from every car.
( and gaining the trust of wild animals )
"No sudden movements".
As well as alerting those who would be best left resting: e.g. (Good evening Sir, do you know what speed you were doing? Have you had a drink tonight?), sudden movements are anathema to smooth driving and can scare the horses
Smooth drivers have an edge.
Edit: the only difference I am aware of between my car and every other Xtrail beside its unusual fuel economy is my addition of a home-made contoured step at the rear and radiator fill-in screens at the front.
That may have changed the normal/previous airflow over the vehicle.
I know the step changed the overall airflow by watching the dust when on a dirt road. The dust now lays low rather than the previous billow immediately behind the car.
Perhaps the changed wind resistance / air flow from my step and/or the change in its radiator screen air flow gives this car its unusual (up to 40% better than average) fuel economy?
Dunno, but the dog likes the added step.
Last edited by DogTrail, 28/Jul/2013, 12:44 am
--- 2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
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27/Jul/2013, 8:57 pm
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cooch t31
X-TRAIL HOLIC
Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re:
Have you actually crunched the figures after refueling or are you solely going of the trip computer?
--- Tony X-891c
HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1
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28/Jul/2013, 6:47 am
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