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Peter



Member Since: 04 Mar 2012
Location: Kent
Posts: 153
United Kingdom 2005 Defender 90 Td5 SW Epsom Green
31 mpg
OK In have a 2005 TD5 90 and for at least a year I have been getting 25mpg Max.
Just had a trip to Cornwall and got a stonking 30 mpg. After driving another 129 miles am getting 30.9 mpg.
What's changed ?
Added 1 litre Texaco engine oil in Cornwall. Not sure how long it's been a litre short.
Filled up with Texaco diesel.
Am running on Mud tyres on steels unbalanced so need to keep speed under 50 else get a steering wobbles.
Lots of motorway driving at lower speed than BFG A/T on alloys.

Any thoughts ?


Thanks

Peter.
Post #387844 12th Jan 2015 9:17pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769
England 2004 Defender 110 Td5 CSW Bonatti Grey
Long steady motorway driving gives better fuel economy than stop start and shorter journeys
Post #387876 12th Jan 2015 10:13pm
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3784
Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green
Mk1, With ALL my other cars, I've found what you have said to be true, but I've found the opposite to be the case with our Puma 90.
We have some big distances in Aus, but I've found that I get better MPG around the city than in the country.
I was told that sitting on 100/110kph in a Defender takes a lot of "ooomph" to push it through the air, hense better economy in the suburbs at around 60kph?
Pickles.
Post #387887 12th Jan 2015 10:25pm
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006
Wales 
Interestingly my 110 is much better on fuel cruising at 75-80mph than at 60-65 Whistle (disco gearing and on private roads of course Laughing )
Post #387890 12th Jan 2015 10:29pm
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Lambley



Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435
United Kingdom 2006 Defender 90 Td5 HT Java Black
I've had 37mpg in my Td5 on a run, but I don't push it. The consumption seems to drop off a cliff on mine at anything over 70mph so I try and stick at between 55-65 like most lorries.
Around town and general driving is 34mpg. I got improved mpg after a tune and better still with 1.2 gearing in the transfer box. Thumbs Up
Post #387955 13th Jan 2015 7:57am
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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 413
United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
untill i put my roof rack on, i could get over 30 mpg, thats with a tuned engine and disco cogs in the tranny box. Also that was cruising between 60 and 70. Now with the roof rack, im only getting 26/27 and nearer 20 if i gas it or tow.
I am suprised with yours if your only travelling around 50, mud terrains do make a difference but i wouldn't have though that much..... Rolling Eyes
Post #388033 13th Jan 2015 1:38pm
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Lambley



Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435
United Kingdom 2006 Defender 90 Td5 HT Java Black
I also use Ecomax after a flll up, that is probably helping, plus every 4/5th fill up I put 200ml of 2 stroke in.
Post #388034 13th Jan 2015 1:41pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769
England 2004 Defender 110 Td5 CSW Bonatti Grey
Fatboy Slim wrote:
Interestingly my 110 is much better on fuel cruising at 75-80mph than at 60-65 Whistle (disco gearing and on private roads of course Laughing )


Interesting as I always had to stick at 55 to 65 like lambley or my mpg dropped like a stone but I've had a disco t box fitted now so I'll see what it's like when I go to pick relatives up from Exeter in a couple of weeks.
Post #388063 13th Jan 2015 4:40pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769
England 2004 Defender 110 Td5 CSW Bonatti Grey
Pickles wrote:
Mk1, With ALL my other cars, I've found what you have said to be true, but I've found the opposite to be the case with our Puma 90.
We have some big distances in Aus, but I've found that I get better MPG around the city than in the country.
I was told that sitting on 100/110kph in a Defender takes a lot of "ooomph" to push it through the air, hense better economy in the suburbs at around 60kph?
Pickles.


Try at 90 to 100 kph and I bet it's a lot better
Post #388064 13th Jan 2015 4:41pm
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110MGD



Member Since: 17 Oct 2013
Location: Wear Valley
Posts: 153
2001 Defender 90 Td5 CSW Epsom Green
Mine does about 26 used as a weekend car. It's currently at the garage though. With a multitude of faults. God knows how much it'll cost. Still no problems for 8 months which isn't a bad run for a 14 year old 100k+ car I suppose. 2001 Td5 CSW (weekend and snow mobile) Plenty of lights, M/T tyres EGR delete, roofrack, swing away wheel carrier, snorkel.
2016 E220 CDI Night Edition Estate
2014 VW UP!
2x D3 and 1x D4 GONE
Post #388073 13th Jan 2015 5:34pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039
Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
With my Camel Discovery I managed 39mpg 14 km/ltr once. When driving through f France from Lyon to Luxembourg in more or less one go only stop at the toll gates. But I was driving between 80 and 90 km/hr as I was following friends who had there toys on trailers. Laughing Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #388093 13th Jan 2015 6:41pm
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Anderzander



Member Since: 08 Feb 2011
Location: Lancashire
Posts: 1000
United Kingdom 
Lambley

Can I ask who did your tune please ?
Post #388101 13th Jan 2015 6:55pm
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Lambley



Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435
United Kingdom 2006 Defender 90 Td5 HT Java Black
Yes, Gary at Alive did it, well worth the trip. I've been to see him twice now, once for the initial tune and again for a health check/tweak if you like to make sure everything was as it should be. On the second visit I asked him to 'flatten it out' a bit in the low range to stop the sudden surge of power, which he duly obliged. 10/10
Post #388254 13th Jan 2015 11:02pm
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Pam W



Member Since: 25 Oct 2011
Location: North Yorkshire
Posts: 1169
England 1998 Defender 90 Td5 SW Auto Oslo Blue
In my td5 auto 90 with full roll cage I was getting about 24 average in the UK commuting to work, mix of urban roads and A roads.

In Australia, this improved to about 26.5 mpg, fully loaded with winch, roof tent, loads of heavy spars, camping gear, fridge, etc. Best mpg was about 31 doing a steady 60 for several hundred KMs, worst was crossing the Simpson Desert (1200 sand dunes!) at about 19mpg.

It is defo steady cruising that helps Td5 mpg, whereas mixed speeds and traffic do it no good at all. Our blog - http://landytravels.com/

Yorkshire Off Road Club - http://www.yorkshireoffroadclub.net
Post #389479 17th Jan 2015 6:11pm
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WorcsTD5



Member Since: 01 Feb 2014
Location: Worcester
Posts: 23
United Kingdom 2004 Defender 90 Td5 CSW Java Black
Re: 31 mpg
Peter wrote:
OK In have a 2005 TD5 90 and for at least a year I have been getting 25mpg Max.
Just had a trip to Cornwall and got a stonking 30 mpg. After driving another 129 miles am getting 30.9 mpg.
What's changed ?
Added 1 litre Texaco engine oil in Cornwall. Not sure how long it's been a litre short.
Filled up with Texaco diesel.
Am running on Mud tyres on steels unbalanced so need to keep speed under 50 else get a steering wobbles.
Lots of motorway driving at lower speed than BFG A/T on alloys.

Any thoughts ?


Thanks

Peter.


Hi,

I've just started a new contract (at JLR in Solihull, actually Very Happy ) which is a commute of 45 miles one way. I'm doing this in my TD5 90 CSW (140k miles) and have started to measure the mpg

I brim the tank and calculate the mpg from miles driven vs litres of diesel. On the last run my maths told me that I was getting 32.5 mpg. I'm looking to improve on this... any ideas?
Post #399040 15th Feb 2015 5:02pm
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