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2016 D4 Landmark - What Wheels & Tyres for a better ride ?
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10464

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4
2016 D4 Landmark - What Wheels & Tyres for a better ride ?

Whilst I am generally delighted with my Landmark, in rural Hampshire where the potholes grow every day, I find the ride unacceptably harsh. It's currently on 20" wheels shod with Pirelli Zeros.

As you will see from this thread I have contemplated fitting Compomotive 18" Wheels, or other 18" wheels with spacers, & have received some good advice, for which many thanks.

http://www.disco3.co.uk/forum/topic160628-15.html

However I'm still vacillating between the choices:-

1. Fit Compomotive 18" wheels - expensive, and at least one expert has reservations; or

2. Fit 18" wheels & spacers - not much user comment which would be appreciated, Financially the best solution for me as I have a set of perfect 18" wheels & part used tyres; or

3. Fit 19" D4 wheels - less expensive, but will a 1" reduction in size improve the ride much? or

4. Stick with the existing 20" wheels & fit 255/55/20 tyres which may improve the ride somewhat.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #183886120th Jul 2017 10:39 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8043

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

What section tyres are fitted now? I assumed all 20" where 255 X 55, it's the 55 bit and pressure that counts.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #183887120th Jul 2017 11:19 am
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Buckster
 


Member Since: 04 May 2015
Location: Hampshire
Posts: 600

England 

Im in Hampshire myself and running 19s on 255/55/19 Goodyear Duratracs, and I would still like to go to 18s. The roads in Hampshire are a disgrace
 2003 BMW M5- 5 Litres of V8 Optimax Slurping Goodness in Carbon Black

2013 RRS SDV6 HSE Black Edition- Orkney Grey with Ebony & Ivory. LR Facelift RAI, Genuine G4 Expo Rack, 4x Warn Spotlights, Warn 9.5 XPS Winch, Mantec Underbody Protection, Full Easylift Suspension, LightForce HTX 230 Spot Lights, LR Light Guards, 18” Compomotive PD1881 on 265/65/18 BF Goodrich KO2, Brembos Calipers, ARB Fridge, Tuff trek awning.
Visiting from the RR Sport forum: 
 
Post #183887420th Jul 2017 11:44 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10464

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Quote:
The roads in Hampshire are a disgrace
Thumbs Up

The tyres I have on at present are 255 x 50 x R20, which I believe are standard. I can go to 255 x 55 x R20 - but that's only a 5% increase in wall height so I'm not sure what improvement in ride that would give.

In so far as tyre pressures are concerned I have reduced them by 4 psi all round, which is probably as far as is prudent.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #183891520th Jul 2017 2:32 pm
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DaveT
 


Member Since: 01 Aug 2005
Location: Cornwall
Posts: 2572

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

Has anyone actually fitted 18's with spacers to a D4 with the full size brakes?
If so, which style?

I tried the 2008 MY 18" SE wheels, and they only just rub - turn easily, but scratch the paint on the wheel. I am not convinced that a spacer would have solved it.

I'm toying with fitting 255 55 20 GGAT3's to mine next. These will obviously give the same sidewall height as 255 55 19, but would logically require agreement of insurer.

FWIW, I'm also not convinced that the ride is significantly worse on 20" than 19". Biggest difference comes from age/wear of the tyres, being noticeably more compliant when on new rubber and 32/36 psi
 Long succession of Disco's since 2001...
SIII Lightweight - neglected & rusting. Bulkhead, A panels, vent panel & outriggers now disintegrated - Next years project! 
 
Post #183909920th Jul 2017 9:40 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23261

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

I've driven my D4 HSE's and Landmark's on 18", 19" and 20" rims. There is a noticeable difference in ride quality when you drop from 20" to 19", the later providing more cushioning. It's not a huge difference though. However the 19"s are far less easy to damage and the additional sidewall height is a much more noticeable improvement off road than it is on road. Plus you can run the awesome Land Rover approved Pirelli ATR tyre in the correct 255-55-19 size. Very Happy

The 18" Compomotive's are just a step on from the 19"s and more noticeable on road, far more cushioning and comfortable than the 20"s, but still perfectly acceptable if you do need to press on. Probably 60% or more of my mileage is motorway and the 18"s make the Landmark a more relaxing and comfortable long distance cruiser. You'd be very unlucky if you damaged them on road and off road they're much less likely to incur damage and of course the extra sidewall height has several significant advantages when off road driving.

I looked at as much information as I could find on the Compomotives inc. the Australian Green Oval Experience site:

http://www.greenovalexperience.com/18-inch-rims

I always think the Australians know a thing or two about off-road driving and any product used extensively over there will be more than capable enough for my use. Reading about Dr German's experiences with the 18" Compomotive rims was reassuring.

Dr German is a research scientist, holding a PhD in Computer Science, degrees in Engineering, and was a university lecturer for many years, so teaching the complexities of the new Land Rover systems to the lay-person is his specialty. He has also successfully run a standard D3 and Range Rover Sport in 4WD competition for 5 seasons, winning his class against modified and highly modified vehicles. He is one of only a handful of people in the world to do this.


I've no experience of using spacers on any vehicle. I've heard too many negatives about them from race and rally mechanics I've spoken to. You'll find all of these on a quick search of the Internet. No doubt they'll be some who will disagree with me, but personally I'd feel ill at ease running such a heavy vehicle on spacers, especially when increasing the stresses by driving off road.

I've never driven a D4 on 55 profile 20" tyres, but I suspect the difference would be hard to detect.
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography 
 
Post #183925721st Jul 2017 11:25 am
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SafariDave
 


Member Since: 19 Nov 2011
Location: NYC & LA
Posts: 775

United States 2005 Discovery 3 4.4 V8 SE Auto Bonatti GreyDiscovery 3

i went from 18" to 19" on my NYC D3 and I can tell the difference. The 18" is a more comfy ride and there is more tire if you do the occasional off road.
Dave
 D3 2005 V8 SE Bonatti Grey "The Rhino" (our NYC D3)
De-tangoed Headlights, D4 2016 Style Black Pack Grille, D4 19" Wheels/ Bridgestone Alenza
D3 2005 V8 SE Bonatti Grey, D4 2016 Style Black Pack Grille (our LA D3)
D2 1999 V8 SD7 Chawton White (our Caribbean Beach truck) 
 
Post #183930221st Jul 2017 1:23 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10464

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Thank everyone for the comments, please keep them coming.

SafariDave - On my D3 (LR3) I moved from 19" to 17" much better ride & off-road performance with GG AT tyres.

Now I have a D4 and am looking to do something similar.

Latest update - I have heard directly from a friend that he didn't fit Compomotives because of concerns about clearances & the possibility of debris fouling.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #183932921st Jul 2017 2:40 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23261

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

Sounds as if you've talked yourself out of Compomotives. That's a shame, they're a popular fit in Australia and South Africa and I've not heard of any issues.



Quote:
There's not a lot of clearance between the calliper and rim when fitted, but the rims certainly have been proven to work in the field and come from a well-respected name in aftermarket industry who have supplied the likes of Bowler, makers of the famed Wildcat.


https://www.facebook.com/pg/18inchoffroad/about/

Thumbs Up
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography 
 
Post #183933521st Jul 2017 2:57 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23261

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

Spotted on a Hampshire B road recently:



Thumbs Up
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography 
 
Post #183934221st Jul 2017 3:06 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

Would love to get some Compmotives but just can't justify the price. I have a set of virtually new 18" ATRs in the shed that I can't use on my D4. Big Cry Big Cry Big Cry
   
Post #183934621st Jul 2017 3:16 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23261

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

£1,000 should buy you a brand new set of 4 and I've used a 19" rim with ATR as the spare.

On the grand scale of D3/4 ownership costs....... Whistle
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography 
 
Post #183935421st Jul 2017 3:23 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

I know but I've got to get it past shh, you know who. And she sees everything!!

Click image to enlarge


And I am so dead when she sees that. Eh dear!! Laughing Laughing
   
Post #183935921st Jul 2017 3:27 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23261

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

An essential purchase Del, you need to use those ATR's. Plus they're nigh on impossible to damage and hold their value well compared to oe LR rims.

You know it makes sense. Smile
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography 
 
Post #183936221st Jul 2017 3:37 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

I see the logic but I doubt it will get past "that" look. Big Cry Big Cry

She does, before anyone asks. Thumbs Up
   
Post #183936821st Jul 2017 3:45 pm
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