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Disco 3 to 4 safety improvements?
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twr7cx
 


Member Since: 03 Mar 2019
Location: Tasmania
Posts: 167

Australia 2012 Discovery 4 TDV6 Base 5 Seat Auto Nara BronzeDiscovery 4
Disco 3 to 4 safety improvements?

Has anyone got, or come across, any detains relating to any safety improvements/developments between the Disco 3 and 4?
Are they essentially the same body with the same airbag setup or were there some other key improvements for occupants safety?
 Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 Lion 2.7L TDV6
Dads - MY98 LJ Discovery ES 3.9L V8 
 
Post #235035514th Oct 2023 10:56 am
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kajtzu
 


Member Since: 11 Aug 2017
Location: Helsinki
Posts: 6605

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

AFAIK they’re the same.

If you’ve got ACC (cruise with distance radar) theoretically it is of course better than regular cruise.
  
Post #235038514th Oct 2023 6:25 pm
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Harry365
 


Member Since: 25 Aug 2018
Location: Lincoln
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Pre 2007 D3 lacks additional steelwork on chassis outrigger, behind front wheels. I believe the updated version helps prevent the wheel going through the footwell in a crash.
  
Post #235045615th Oct 2023 6:30 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12824

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

And some owners grind the deflection lump back to enable bigger tyre/wheels to be fitted.

Crying or Very sad
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #235045715th Oct 2023 6:38 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18505

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

D4 has the trailer stability assist which isn’t on the D3.
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #235047015th Oct 2023 8:38 pm
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sarumlight
 


Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1592

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Also I think the sampling for ABS and stability control runs much faster in the D4, which might make a difference avoiding something. On the other hand I suspect the seats in the D3 with the fixed headrests protect better from whiplash, and the xenon headlamps on the D3 that see around corners are the best of the lot. I don’t think the differences are enough to choose one over the other just on safety grounds.
  
Post #235047315th Oct 2023 8:51 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13840

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Harry365 wrote:
Pre 2007 D3 lacks additional steelwork on chassis outrigger, behind front wheels. I believe the updated version helps prevent the wheel going through the footwell in a crash.


Hi

That’s very interesting with regards to that front outrigger , got them fitted on my 2005 , but more than likely different one as u mention after 2007

Plus were they the same outriggers originally designed for the RRS as part of there stability control system where the end drop links are attached to these small chassis outriggers plse, thks

But as always I expect I’m thinking of something else Laughing

Managed to find a pic of those chassis outriggers on mine


Click image to enlarge


Click image to enlarge
   
Post #235048015th Oct 2023 9:32 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13840

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Did the D4 also introduce a smart regen system plse
   
Post #235048215th Oct 2023 9:50 pm
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