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Optimum Revs
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Mr Kington
 


Member Since: 12 Dec 2011
Location: Scottish Borders
Posts: 1552

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Siberian SilverDiscovery 3
Optimum Revs

Hi Guys,

Am trying to be gentle on the accelerator to try and conserve fuel but was wondering whether there are any suggestions as to what revs to try and stick too ? Rule of thumb I try and stay below 2000 rpms but tends to be very dull driving..... I knew the D3 drank fuel pre buying it but it does do everything else so well....

Thanks James
 James favourite hobby is writing in the third person.  
Post #10481233rd Feb 2013 3:32 pm
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disco_steve
 


Member Since: 25 Aug 2009
Location: Are you sure this is the M5 ?
Posts: 1498

England 2006 Discovery 3 TDV6 HSE Auto Arctic FrostDiscovery 3

I find I actually get better mpg at around 75mph which is approx 2300rpm, than at 65mph (below 2000 rpm)

I guess the engine is using less torque at the slightly higher revs Whistle
 Never get mad - get even !!

06 D3 now gone to family member and still going strong at 265k

previous vehicles:
04 D2 TD5 - (clocked 189k from new)
52 X-Trail 2.2 SVE
various euro boxes ! 
 
Post #10481273rd Feb 2013 3:36 pm
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Mr Kington
 


Member Since: 12 Dec 2011
Location: Scottish Borders
Posts: 1552

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Siberian SilverDiscovery 3

I am not very good at all this though, I spend 30 mins driving like the pope (am guessing he drives ?) and then get bored and boot it for 5 mins. i just like to ensure the turbo gets a work out too ! Laughing
 James favourite hobby is writing in the third person.  
Post #10481313rd Feb 2013 3:44 pm
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subaru60
 


Member Since: 05 Oct 2012
Location: crawley
Posts: 277

England 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

i find if i drive to careful it uses more fuel
  
Post #10481573rd Feb 2013 4:22 pm
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Discofurry
 


Member Since: 04 Aug 2012
Location: Oxford
Posts: 93

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

My 2c = if you're worried about fuel consumption then you should perhaps change to a Ford KA Laughing

Sorry, couldn't resist, but really, why not just enjoy the vehicle?

Put your foot down and forget fuel consumption Very Happy

Jim
  
Post #10482223rd Feb 2013 6:14 pm
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taffjk
 


Member Since: 11 Dec 2012
Location: The Middle!
Posts: 122

Wales 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

sports mode, junction, boy racer, laugh!! and turn the sub woofer up just to rub it in!! Rolling with laughter
  
Post #10484743rd Feb 2013 10:45 pm
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character
 


Member Since: 31 Dec 2007
Location: wiltshire
Posts: 5781

United Kingdom 2005 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

given where yer live, recon not much point about fuel cosumption, yer knackered anyway Rolling with laughter
  
Post #10484793rd Feb 2013 10:47 pm
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3373

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

I agree with the above posts ..

Sod the mpg and enjoy the vehicle, and its a very good point about the turbo, you do need to keep it excercised or it can cost you dear in the long run....

As the same goes for the rest of the car... Use it or lose it
  
Post #10486484th Feb 2013 9:57 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26770

United Kingdom 

Totally agree that the D3 is not the vehicle to drive if you are worried about fuel consumption, having said that, the peak torque is at 1900 rpm, so to use the gears to keep it around that rev point would be the most efficient.

I don't think the auto gearbox in the D3 is ideally suited to the torque curve, IMO it lets it rev too much. If you can be bothered, then use command shift to keep it around 1900rpm as much as possible.
  
Post #10486504th Feb 2013 10:02 am
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

A diesel engine,any diesel engine will benefit from getting a good ragging once in a while....a couple of times a month,get it up to temperature and hoof it in 3rd up to the (not actually there) red line....do it a couple of times and watch everything getting cleared out the exhausts....
The boys round here do it with the Volvo pentas and Caterpillar marine engines and they run far sweeter afterwards,with little smoke and a far more consistent idle Thumbs Up
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #10486524th Feb 2013 10:06 am
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