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Fuel consumption research
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26774

United Kingdom 

I am approaching 9k, so my service will not be long. Doing 3k a month at the moment.
  
Post #18986th Apr 2005 3:36 pm
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BN
 


Member Since: 18 Mar 2005
Location: Here
Posts: 6463

England 

The problem with the D3 is that it is set up for torque. Any one who drives with revs above 1900RPM or 70MPH is going to really suffer and I would estimate that 22 to 24MPG is fine if RPM is above the 1900 mark. The torque is at the bottom end as in most Landy's, so the D3 at 69MPH will more than likely return 28 to 30 MPG on a motorway. Put your foot down and do 75MPH and you will join the 22 - 24 MPG club.
  
Post #18996th Apr 2005 3:45 pm
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26774

United Kingdom 

Agreed, but I don't like being told that I have 450 miles range after filling her up, only to get 350 before it hits zero. The jump from 50 - 0 takes about 10 miles. In general, I fill at 1/4 tank now, it is safer and seems cheaper! Wink
  
Post #19006th Apr 2005 3:51 pm
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BN
 


Member Since: 18 Mar 2005
Location: Here
Posts: 6463

England 

Gareth, some of the inaccuracy may be due to the totally unsuitable fuel tank. have you seen it. It looks like a coffin under the car, about 5 foot long and about 1 foot wide. For an off road vehicle it is rediculous, almost an after thought in fact. This may cause equal inacuracy in the fuel readings especially when the fuel is lower than a quarter tank. Most tanks are more or less rectangular. This is one of the reasons I think that LR have not connected the pre-heater.
  
Post #19026th Apr 2005 4:00 pm
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freeflytim
 


Member Since: 18 Feb 2005
Location: Chattanooga, TN
Posts: 297

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Contest??

I say we have a contest...

Who has the highest average speed on a tank! and the resulting MPG.

-TIM
Tennessee USA
V8
  
Post #19067th Apr 2005 3:24 am
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BN
 


Member Since: 18 Mar 2005
Location: Here
Posts: 6463

England 

The problem with that freeflytim is that we in the UK mainly have 2.7 diesels, not V8's and we pay around £3.91 per Imp Gall. As a result we would possibly go further on a tank, a little bit slower and be broke by the end.
  
Post #19097th Apr 2005 6:52 am
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freeflytim
 


Member Since: 18 Feb 2005
Location: Chattanooga, TN
Posts: 297

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3

And we are bitching in the states because we are paying $2 (1GBP) per gallon!! Us Yanks love our gas hogs!!

BN wrote:
The problem with that freeflytim is that we in the UK mainly have 2.7 diesels, not V8's and we pay around £3.91 per Imp Gall. As a result we would possibly go further on a tank, a little bit slower and be broke by the end.
  
Post #19117th Apr 2005 7:03 am
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BN
 


Member Since: 18 Mar 2005
Location: Here
Posts: 6463

England 

freeflytim, yes we know, but don't hurt us by reminding us of the fuel price, especially as ours have risen again to anything between .87p to 91p per litre Crying or Very sad .
  
Post #19457th Apr 2005 3:36 pm
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Pelyma
  


Member Since: 06 Jan 2005
Location: Patching, Sussex
Posts: 15496

England 

Well I owe you a drink BN, driving my auto so it changes at 2000rpm (where possible) my HSE has just returned 30.5mpg (on general running about). Only trouble is you do get that urge 8) and then go back to 22mpg!!
 DS3 TDV6 HSE - Silver with Alpaca (old one) Gone
DS3 TDV6 HSE- Silver with Alpaca (new one) Gone
D4 HSE Lux - Montalcino Red Gone
Porsche Cayenne V8 Diesel S 
 
Post #202710th Apr 2005 8:26 pm
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simon
  


Member Since: 11 Jan 2005
Location: Shropshire
Posts: 18296

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

Drive the torque curve boys... its all you need to hurry along and stay away from the pumps that little bit longer Smile


-s
  
Post #202910th Apr 2005 8:56 pm
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winston
 


Member Since: 13 Apr 2005
Location: Loveland, CO USA
Posts: 1

Conversion factors

Hello, I'm leasing an LR3 V8 (Silver/Black SE with Nav). I'm on a thirty month lease and am already contemplating what to do when my lease expires. Of course, I absolutely love the LR3 but I'm a liberal tree hugger at heart and would like a vehicle that sips the petrol instead of chugs Rolling Eyes I'm expecially interested in the TDV6 that most of you are driving, but it's hard for me to understand how your mileage compares to mine. I get about 15 city 18 highway in US miles per US gallons. If the TDV6 does much better AND they are made available in the US I may purchase one. Anyone driven both enough to compare mileage and power? Anyone know the conversion factor for converting between your numbers and USA numbers. Thanks much!!!! Tony
 He's NOT my president.  
Post #225113th Apr 2005 10:47 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Tony, 1 Imperial (UK) gallon is equal to 1.2 US gallons. Equivalently 1 US gallon is 0.833 Imperial gallons.

Therefore 24 mpg (UK) is 20 mpg (US), for example Smile

Martin
  
Post #225313th Apr 2005 10:56 pm
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DiscoDuck
 


Member Since: 23 Jan 2005
Location: West Sussex UK
Posts: 126

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

TDV6 HSE Auto

22 mpg on short runs
25 mpg on longer runs/Motorways
22mpg autobahn (100mph on cruise control)

I have now done 9800 miles since 11th Nov and dont bother driving and looking at the fuel guage but am not thrashing it. I have had a couple of good runs across Germany (2500 miles)
 D4 HSE
Blue 
 
Post #225514th Apr 2005 5:33 am
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BN
 


Member Since: 18 Mar 2005
Location: Here
Posts: 6463

England 

Pelyma wrote:
Well I owe you a drink BN, driving my auto so it changes at 2000rpm (where possible) my HSE has just returned 30.5mpg (on general running about). Only trouble is you do get that urge 8) and then go back to 22mpg!!


Pelyma, the other way to really ruin your driving pleasure, but better fuel consumption is to brake gently. Imagine an egg on the dash board and you do not want to brake it. The moral is gentle accelleration to the 1900ish rev region and brake very early. You could possibly acheive 32MPG, but it does spoil the pleasure of the D3.
  
Post #225714th Apr 2005 6:34 am
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cmyers_uk
 


Member Since: 10 Apr 2005
Location: Near Bristol, UK
Posts: 433

2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Also , turn off the air con, anything electrical that you dont need, you know sat nav the stereo etc . If an auto make sure when parked at lights its in N not D. Finally look ahead and remove foot from the gas earlier and then you wont need to brake / accelerate as much.

Alternatively having paid so much for the bloody car use it and worry about the bills later Wink
  
Post #228514th Apr 2005 11:50 am
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