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Sdv6 vs tdv6
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Bigags
 


Member Since: 29 May 2012
Location: Staffordshire
Posts: 39

England 2005 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3
Sdv6 vs tdv6

Hi guys

I’ve currently got a disco 3 se and I’m looking to upgrade to a disco 4. There seems to be sdv6 and tdv6.

What’s the difference?

Also is post 2012 a better car?

Thanks
  
Post #18759255th Nov 2017 2:42 pm
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disco4ever
 


Member Since: 23 Dec 2013
Location: under the car
Posts: 250

Germany 2006 Discovery 3 TDV6 HSE Lux Auto Alaska WhiteDiscovery 3

if not mistaken TDV 6 is standing for the 2,7 HDI engine with 190 HP whereas the SDVs are coming in 3.0 with 211 HP, beefed up around 256 HP?

I am not sure about post 2012 cars being better. They all break down Rolling with laughter regardless of MY.

But for sure the 8 speed auto gear box is a big improvement versus the 6 speed 6HP26.
 Achim

own garage certified LR tech

Disco 2 TD5 MY 2001 - gone but still driven by another owner
Disco 3 TDV6 HSE MY 2005 fully loaded and kept alive by IID BT
+ EGRs blanked
+ Timing belt done
+ front upper / lower wishbones done
+ front wheel bearings done
+ alternator replaced
+ IC replaced
+ Front diff overhauled 
 
Post #18759415th Nov 2017 4:14 pm
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Down&Dirty
 


Member Since: 17 Aug 2012
Location: Somewhere out back
Posts: 943

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

Have a little look here Thumbs Up
https://www.disco3.co.uk/forum/sdv6-v-tdv6...=Sdv6+tdv6
 My2016 Corris Grey Disco 4.Graphite Mr. Green
Prospeed tree/rock sliders😁
RLD spare wheel protector


Range Rover Sport MY13, now sold
Discovery Comerrcial MY08, now sold 
 
Post #18759435th Nov 2017 4:15 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 838

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

All SDV6 and TDV6 are the same engine if 3.0l. If it’s not a commercial, they both have the same power upto around MY12 when they changed to about 255 from 245 I think.

I think the ones marked as TDV6 generally don’t have dpf. I think it’s more marketing than anything else!

Strange how the new Discovery 5 is now back to TD6!!!
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #18759475th Nov 2017 4:28 pm
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markate
 


Member Since: 17 Sep 2011
Location: England
Posts: 549

2016 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

TDV6 generally 245bhp and 6 speed gearbox.
SDV6 generally 256bhp and 8 speed gearbox
But there are exceptions

All New Discovery TDV6 is a single turbo 258bhp, SDV6 is a sequential twin turbo 256bhp.
 

Last edited by markate on 5th Nov 2017 5:11 pm. Edited 1 time in total 
Post #18759675th Nov 2017 5:09 pm
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sputnixb51
 


Member Since: 23 Apr 2013
Location: Morayshire
Posts: 665

Scotland 2006 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

The SDV6 also has two turbos as opposed to the TDV6 single turbo, and at some point around 2010 on the bearing shells were staked I believe but I cannot find an accurate answer for this. Sadly the 3 Ltrs engine seems to suffer crank failure more often than the 2.7 these failures seem random so you just have to service them properly and hope yours keeps going!
MARKATE got there before me.
  
Post #18759695th Nov 2017 5:11 pm
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gvw
 


Member Since: 16 Jan 2012
Location: South Yorkshire
Posts: 726

England 2009 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

And more reading here
https://www.disco3.co.uk/forum/3-0-td-3-0-...54978.html
https://www.disco3.co.uk/forum/topic130591.html

Thumbs Up
  
Post #18759715th Nov 2017 5:16 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 838

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

sputnixb51 wrote:
The SDV6 also has two turbos as opposed to the TDV6 single turbo, and at some point around 2010 on the bearing shells were staked I believe but I cannot find an accurate answer for this. Sadly the 3 Ltrs engine seems to suffer crank failure more often than the 2.7 these failures seem random so you just have to service them properly and hope yours keeps going!
MARKATE got there before me.


All 3.0l have twin turbo regardless of TDV6 or SDV6.

The new disco 5 has single turbo Thumbs Up
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #18759835th Nov 2017 5:45 pm
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urhunden
 


Member Since: 15 Jan 2010
Location: Stockholm
Posts: 394

Sweden 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Still very confusing.

I just got a D4 MY 2011. Build date according to my papers 201103.
LHD
Swedish sold.
According to papers TDV6 with DPF. M in the VIN number.
210 bhp 155kW 6 speed gearbox

Engine seized at 120 000 km. Have now got a used SDV6 from 2015 28 000 miles.
Hope the switch will work.
Confused what has to be used from the original engine. Injectors?
Please advice!
  
Post #18760145th Nov 2017 7:09 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 838

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

What D4 did it come from? A commercial?

It sounds from your description you had a knackered 210hp 2.7 TDV6 that you’re now trying to put a 3.0l SDV6/TDV6 into?

Having said all of the above, my reference was only to the U.K. market. Not sure if it’s different outside UK or worldwide. Very possibly is!
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #18760175th Nov 2017 7:15 pm
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Paul68
 


Member Since: 01 Mar 2015
Location: Dudley
Posts: 210

United Kingdom 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Hi all
Can the d5 engine be converted to fit a d4 just a thought ?
  
Post #18760195th Nov 2017 7:17 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Somewhere.
Posts: 56293

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

Anything can be made to fit, with enough 💰
 

11 D4 HSE - just Dee, no more Double Disco. Sad 
 
Post #18760245th Nov 2017 7:22 pm
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urhunden
 


Member Since: 15 Jan 2010
Location: Stockholm
Posts: 394

Sweden 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

No no no.

The seized engine is a 3.0 l TDV6 with DPF. And the car is a HSE.

Engine code 306DT.

This is how it came to Sweden.

Maybe it is not what was sold in UK.

So the new used engine should be able to fit even if it is from a newer car.
  
Post #18760295th Nov 2017 7:31 pm
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urhunden
 


Member Since: 15 Jan 2010
Location: Stockholm
Posts: 394

Sweden 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Hi Paul,

The engine has arrived. It is the one on the pictures I got from Chris.
We will start the work in a couple of weeks.
It is really strange with the confusion on marking of the engines.
And even worse that foreign markets does not seem to be the same as UK.
  
Post #18760325th Nov 2017 7:38 pm
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Pedros
 


Member Since: 25 Jun 2011
Location: Cumbria
Posts: 269

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Santorini BlackDiscovery 4

Some confusing information here, it seems. In an attempt to simplify (applies to the UK):

All D4's have a 3.0 litre twin turbo diesel engine except some very early ones that have the 2.7 litre from the D3, but I believe they were restricted to commercials.

The TDV6 and the SDV6 are the same 3.0 twin turbo engine, although the SDV6 has a few external tweeks and an 8 speed box as opposed to the 6 speed TDV6.

The TDV6 has 245bhp and the SDV6 has 254bhp, the difference being mostly due to the gearbox.
  
Post #18760895th Nov 2017 9:39 pm
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