Member Since: 03 Mar 2019
Location: Tasmania
Posts: 184
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 - MY09 L319 D3 HSE Lion 2.7 TDV6 and modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 D4 Lion 2.7L TDV6
Dads - MY12 L319 D4 Lion 2.7L TDV6
14th Oct 2023 9:56 am
kajtzu
Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6762
AFAIK they’re the same.
If you’ve got ACC (cruise with distance radar) theoretically it is of course better than regular cruise.
14th Oct 2023 5:25 pm
Harry365
Member Since: 25 Aug 2018
Location: Lincoln
Posts: 386
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.
And some owners grind the deflection lump back to enable bigger tyre/wheels to be fitted.
.
Dean
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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 ... All LED interiors lights, DRLs, Spare Wheel protector.
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15th Oct 2023 5:38 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18567
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
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15th Oct 2023 7:38 pm
sarumlight
Member Since: 06 Nov 2008
Location: Off the Plain
Posts: 1593
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.
15th Oct 2023 7:51 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14152
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
Managed to find a pic of those chassis outriggers on mine
Click image to enlarge
Click image to enlarge
15th Oct 2023 8:32 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14152
Did the D4 also introduce a smart regen system plse
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... All LED interiors lights, DRLs, Spare Wheel protector.
