Thread: New Hilux Fuel Consumption

Originally Posted by Moa Hunter

After best fuel economy. Hilux is at 2500 rpm at 100kmh D4D. I haven't looked up specs but I presume that this would be at max HP ? Dont even know the final drive ratio. I thought that rather than change diff heads I would change tyre sizes. In the past I had a BJ45 with a 14BT and swapped out the Gearbox & transfer box for a 5 speed out of a VX Cruiser as well as the rear axel. Was 20% overdriven and went well

Mines bang on 2000rpm at 100kph, but it’s a 2014.


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I remember the 1994 2.4L sheep shagger a mate had was bang on 3 grand @100kph. Those hair dryers and other improvements have certainly managed to drive the revs down a tad. Then again a big lazy 4.2 NA diesel turns at 1950 in an auto Safari

Originally Posted by MSL

Mines bang on 2000rpm at 100kph, but it’s a 2014.


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I'm at 105kph, same model but 2015. Doubt it's a different ratio.

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6.2 litre 6 speed HSV here

1300 rpm at 100 kph in 6 th

9L/100 km av fuel use if driven carefully

Rear end ratio selection is not a panacea

How you use your throttle is

If that crankshaft is turning your paying

Fuel use is a balance of engine load versus time running

Yep to that, kinda sums it up. Most vehicles achieve best fuel economy in the region of 65-80km/h - going over that increases the drag effect exponentially and hits you in the arse pocket.

My patrol cruises at 100ks doing 1800rpm in O/D.But the sweet spot is about 110ks doing 2000rpm.If you are gentle on the throttle all day she will do 13-14litrs /100k.Just seems to love that 2000rpm spot.

Originally Posted by 7mmsaum

6.2 litre 6 speed HSV here

1300 rpm at 100 kph in 6 th

9L/100 km av fuel use if driven carefully

Rear end ratio selection is not a panacea

How you use your throttle is

If that crankshaft is turning your paying

Fuel use is a balance of engine load versus time running

No substitute for cubic inches

Originally Posted by Trout

My patrol cruises at 100ks doing 1800rpm in O/D.But the sweet spot is about 110ks doing 2000rpm.If you are gentle on the throttle all day she will do 13-14litrs /100k.Just seems to love that 2000rpm spot.

so the pedantic prick in me would suggest smaller profile tyre next time around which should see you sit at 100kmph in the sweet spot and not have to keep eye out for Christmas tree lights in rear view mirror!!!!

Tyers are the 70 series 265/70/16 that the patrols come out in.But instead of 265s i like the BFGs 275/70/16,great for the rivers.Widest i can go with out upsetting the gearing.I sit on a 100k/h most of the time.Im in no hurry to get attention from the blueys or wear the engine out.

Good video on Ronny Dahl YouTube of 18month Hilux review and real world fuel consumption with different tyres. He gets 11l with similar set up

Originally Posted by MSL

Mines bang on 2000rpm at 100kph, but it’s a 2014.


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@MSL What is the actual diameter of your tyres out of interest please ?

Originally Posted by Moa Hunter

@MSL What is the actual diameter of your tyres out of interest please ?

Right now they’re just over 31” and near due for replacement. When new they’re around 32.5”


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Originally Posted by Forestry

Good video on Ronny Dahl YouTube of 18month Hilux review and real world fuel consumption with different tyres. He gets 11l with similar set up


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Yea good vid that one. After a few weeks and some more manual calculations plus resetting the calculator in the vehicle i’m sitting on about 10.8 - 11L for empty driving to and from work each day. It spikes as soon as I tow anything though even my light little trailer with quad bike

One of my trip Meters has been running for the past 10,000ks and it's sitting at 10.4l/100km, so that's a good average over 10,000ks, 2019 Navara stx. Has done a bit of towing in that time, horse float with couple cows in it, tandem trailer taking side by sides to and from town etc and probably a quarter to a third of those Ks have been off-road on farm etc. Doesn't really have anything done to it to add much weight though, Load Master flat deck, iron man winchbar front and sideboards and running Maxxis 764 in 245/75/16 which I'm pretty sure are same size as factory. See a lot of trucks with all sorts of shit on them that seem to be all about the look, big tyres and lift kits and bars all round etc and I guarantee you most simply setup farmers truck would do a shit tonne more sketchy shit than they'll ever do, day in, day out.

Originally Posted by Ryan_Songhurst

One of my trip Meters has been running for the past 10,000ks and it's sitting at 10.4l/100km, so that's a good average over 10,000ks, 2019 Navara stx. Has done a bit of towing in that time, horse float with couple cows in it, tandem trailer taking side by sides to and from town etc and probably a quarter to a third of those Ks have been off-road on farm etc. Doesn't really have anything done to it to add much weight though, Load Master flat deck, iron man winchbar front and sideboards and running Maxxis 764 in 245/75/16 which I'm pretty sure are same size as factory. See a lot of trucks with all sorts of shit on them that seem to be all about the look, big tyres and lift kits and bars all round etc and I guarantee you most simply setup farmers truck would do a shit tonne more sketchy shit than they'll ever do, day in, day out.

Definitely, I always get a chuckle seeing the utes that drive around nice and clean with a big lift, big muds and blacked out windows and a hard lid or bunch of impractical crap on it lol.

Took mine out for its first proper workout during a week of hunting just over a week ago. Dropped the tyres right down and took on some pretty slippery clay tracks for an evening hunt. Would normally take the quad but felt like giving the wagon it’s first proper off-road test haha. Pretty damn impressed with the Maxxis Razr AT811s so far