Turbo Diesel Hilux Fuel Economy

Submitted: Sunday, Feb 15, 2004 at 23:30

bushfox

G'day everyone,

Just wandering if anyone else has a recent model (2001 plus) Hilux 4WD 3.0l turbo diesel. Mine has just clocked up 40000km and I am very dissappointed with the poor fuel economy - around 6.5-7.5 km/litre. This figure is minus a roof rack, what figures are you getting?? I'm wandering if this is normal??

This is pretty poor considering my old 2.8 diesel was giving back 10km/litre!!

Any ideas on a fix or has anyone received any info from Toyota regarding the matter??

any help appreciated

Bushfox
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AnswerID: 46865   Submitted: Monday, Feb 16, 2004 at 11:00

Member - Luxoluk replied:

On a recent 8K desert trip I was able to return 11.9 ltr per 100, fully loaded. Economy seems to suffer at highway speeds but is quite good chugging around. CheersButcher Country Track - Vic
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FollowupID: 308963   Submitted: Monday, Feb 16, 2004 at 23:52

bushfox posted:

Thanks mate, your bus is looking good, not bad economy in the desert. Where abouts was your trip?
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AnswerID: 46876   Submitted: Monday, Feb 16, 2004 at 12:43

LBJ replied:

maybe even just check your air and fuel filters. they can also affect your economy when they need changing.....
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FollowupID: 308964   Submitted: Monday, Feb 16, 2004 at 23:54

bushfox posted:

Thanks for the reply, the filters are all in good shape, I'm pretty careful with servicing, but it doens't seem to have done much for performance!!
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AnswerID: 46881   Submitted: Monday, Feb 16, 2004 at 13:24

jeff-wa replied:

My 3.0TD surf 1995 model (same motor as yours) was a little dissapointing to me also, I came from a 2.8TD Rocky (similar to hilux motor) and got fantastic economy, not as much power mind you, the Surf chews fuel. Mind you I go a lot faster now, so I guess thats why...
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FollowupID: 308966   Submitted: Monday, Feb 16, 2004 at 23:58

bushfox posted:

G'day Jeff, I was pretty wrapt with my old bus, the 2.8 was alot slower than this one though!!
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AnswerID: 46948   Submitted: Monday, Feb 16, 2004 at 20:49

bluehealer replied:

my 2003 td about 8 and a half to 9 ks to the litre ,h/t tyres 255 70 15.no load 50/50 city highway driving ,done 9000 ks.have canopy and bullbar only ,no snorkel
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FollowupID: 308965   Submitted: Monday, Feb 16, 2004 at 23:57

bushfox posted:

Thanks Bluehealer, yours is going along okay, I've replaced my tyres with BFG mudders 31x10.5 R 15. I'm looking at adding lockers to my bus but am considering whether to try another vehicle, we've just bought a camper and would like to get better mileage!!
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AnswerID: 46965   Submitted: Monday, Feb 16, 2004 at 21:59

Raymond Khoo replied:

I get about 11.5l per 100Km around town but that seems to increase when I'm out on the open road.
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FollowupID: 308967   Submitted: Monday, Feb 16, 2004 at 23:59

bushfox posted:

Thanks Ray, maybe a few more miles and it might settle into some better economy!!
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AnswerID: 46966   Submitted: Monday, Feb 16, 2004 at 21:59

Raymond Khoo replied:

I get about 11.5l per 100Km around town but that seems to increase when I'm out on the open road.
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AnswerID: 47003   Submitted: Tuesday, Feb 17, 2004 at 08:44

Member - Luxoluk replied:

Hi Bushfox. Our trip was Glenbambo and down Goog's track, across to Eucla and up north from there to Forrest and across the transAust rail line to Rawlina. From there up the Connie Sue Hwy to Neale junction, across to Wiluna via the Heather Hwy and across the Gunbarrel inc the abandoned section, around the loop from the rock and into Alice then down the Oodnadatta track to Andamooka (got a shack there) and back to melb. Staked one tyre and lost an IPF light otherwise not a problem in the world. Very happy with how robust the hilux is. Off up into the snowy this weekend. Canning with bikes due May/June 2005. Probably have a TD troopie by then however. CheersButcher Country Track - Vic
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AnswerID: 47011   Submitted: Tuesday, Feb 17, 2004 at 09:40

Phil G replied:

Bushfox,

Its your tyres.
Firstly, By fitting the 31x10.5R15 (diameter 778mm) they are 34mm greater diameter than the standard 205R16 (dia 744mm) and 45mm greater than the optional 255/70R15 (733mm). Thats 4.5% - 6% difference. Need to factor that into your mileage and the gearing is also affected.
Secondly, Muddies use more fuel than H/T tyres (greater rolling resistance).
Thirdly, Fat tyres use more fuel than skinny tyres.

Cheers
Phil
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FollowupID: 309038   Submitted: Tuesday, Feb 17, 2004 at 17:10

Graham posted:

Just a matter of interest, 31x10.5R15 on a Hilux in Qld. will void your insurance if they want to get picky with a claim, due to the max allowable increase in diameter of 15mm. I ended up going with 30X9R15 Cooper ST's which I found to be excellent. As far as fuel economy I get 11.5 litres/100km unloaded and about 13 litres/100km loaded with a roof top camper. I found that driving over 100km/hr and the economy really goes south.
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AnswerID: 47064   Submitted: Tuesday, Feb 17, 2004 at 15:34

Alfred replied:

bushfox,

I have a 2003 TD hilux, just clocked 20,000km, with ARB bullbar, rear bar, side steps, snorkell and carryboy canopy (heaviest canopy on the market but looks great).
With all these extras and standard highway tyres I was getting 10 litres/100km (10km/litre). After fitting BFG All Terrains I now get 11-11.5 litres/100km (8.5-9km/litre). Though the speedo/odometer is now inaccurate due to bigger diameter tyres. Using my GPS to calculate a 6% innacuracy means the 11-11.5 litres is per 106km travelled not 100km. I then do my sums and the result is 10.4-10.8 litres/100km (9.2-9.6 km/litre).
These figures are for city driving with 40 psi in the tyres and offroad the fuel consumption can increase up to double.
You could try to find your speedo/odometer inaccuracy to calculate the true consumption figures.

Hope this helps, Alfred (Smithfield NSW)
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Reply 9 of 9
FollowupID: 309149   Submitted: Wednesday, Feb 18, 2004 at 10:46

farmer posted:

I know when I put 31x10R 15 BFG on my double cab TD hilux using a GPS the speedo was spot on. From memory for every 100km with the original tyres I was doing around 106km.
I would get between 470 to 650 km out of a tank full depending what I was pulling. It never really loosend up till about 40,000km.
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