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jack.bauer



Member Since: 30 Sep 2012
Location: london
Posts: 277

275/40/20 vs 275/40/20

was driving a 325i with some basic 17'' wheel/tyre size and it reminded me of the good old days when approaching a speed hump didnt involve closing your eyes and hoping for the best

if im going down from 285/35/22 to a set of 20s, will i notice much difference between 40s and 45s?

cant take the harsh ride quality anymore especially when the wheels are replicas and i dont trust replicas.
wouldnt mind any extra mpg and the thought of avoiding premature wear to busshes/ball joints etc (something im plagued with at the moment) 07 TDV8 + BAS map

Post #391412 Sun Aug 11 2013 12:02am
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cossiedave



Member Since: 20 Jun 2012
Location: lancaster
Posts: 882

England 2006 Range Rover Sport TDV6 Autobiography Zambezi Silver

you will notice that a 45 series will ride better than a 40 series but if you have 275/35/22 now the 40s on 20 innch rims will be a big improvement

Post #391424 Sun Aug 11 2013 9:01am
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jack.bauer



Member Since: 30 Sep 2012
Location: london
Posts: 277

cossiedave wrote:
you will notice that a 45 series will ride better than a 40 series but if you have 275/35/22 now the 40s on 20 innch rims will be a big improvement


They're 285s I have on right now.
If 45s are better than 40s did you mean to say the latter will be the bigger improvement? 07 TDV8 + BAS map

Post #391483 Mon Aug 12 2013 8:24am
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Russben



Member Since: 27 Mar 2013
Location: Lancashire
Posts: 278

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

I'm thinking of fitting 275/45 x 20 when mine are due for replacement to improve the ride a bit. I'd be interested to know how much difference it will make. I'm in the shed, I'll be back in the real world in a minute.

Post #391524 Mon Aug 12 2013 4:00pm
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Nottsman



Member Since: 29 Jan 2013
Location: Nottingham
Posts: 29

United Kingdom 

Went from 275/40/20 Contis to 275/45/20 General GT and there is a definite improvement in ride quality.

Had it serviced at the dealers with the 275/45 on and they did not make an issue of it despite having rotated the wheels when it was in the shop. 12MY RRS 3.0 SDV6 HSE Lux Sumatra / Black + contrast/ Grand Black
2010 Disco4 3.0 TDV6 HSE Nara Bronze - Missed very much
2008 Disco3 2.7 TDV6 XS Stornoway - Now gone

Post #391684 Tue Aug 13 2013 7:09pm
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Russben



Member Since: 27 Mar 2013
Location: Lancashire
Posts: 278

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

Thanks Nottsman.

That's helped a bit to hear from someone who has made the change.

Russ. I'm in the shed, I'll be back in the real world in a minute.

Post #391985 Fri Aug 16 2013 8:17pm
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Marsie



Member Since: 20 Jul 2011
Location: sheffield
Posts: 376

United Kingdom 2008 Range Rover Sport TDV8 HST Stornoway Grey

Has anyone running 275/45/20 had any issues with rubbing? Thinking of fitting this size when my current tyres are shot just for a bit more pothole protection. Annoyingly i got rid of a set of almost new 275/45/20s when i sold my D3 last year Rolling Eyes
Paul Thumbs Up

Post #392097 Sun Aug 18 2013 10:12am
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tonytiger



Member Since: 14 Sep 2013
Location: St.Neots. Cambs
Posts: 308

England 2010 Range Rover Sport TDV8 HSE Bali Blue

Watching with interest as I've just pretty much posted the exact same question..... Bow down Bow down

Post #395405 Wed Sep 18 2013 6:53pm
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MXSRR



Member Since: 25 Aug 2013
Location: Lowestoft
Posts: 228

England 2007 Range Rover Sport TDV8 HSE Sumatra Black

Marsie wrote:
Has anyone running 275/45/20 had any issues with rubbing? Thinking of fitting this size when my current tyres are shot just for a bit more pothole protection. Annoyingly i got rid of a set of almost new 275/45/20s when i sold my D3 last year Rolling Eyes
Paul Thumbs Up


5mm difference in height should not cause a problem with rubbing. MY2007 RRS TDV8 Black - tinted glass - side steps- stormer grille - 20" diamond cut alloys - alpaca leather - TV/DVD pack - some blingy chrome bits & bob's

Post #395460 Thu Sep 19 2013 9:02am
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Oz Sport



Member Since: 06 Jul 2011
Location: Perth
Posts: 15

Australia 

I run 285/50/20 with very minimal rubbing at full lock.

Post #395470 Thu Sep 19 2013 10:42am
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tonytiger



Member Since: 14 Sep 2013
Location: St.Neots. Cambs
Posts: 308

England 2010 Range Rover Sport TDV8 HSE Bali Blue

Thx oz sport, a picture would be good please to see how they fill the arches

Thx tt

Post #395471 Thu Sep 19 2013 11:11am
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jimbg



Member Since: 29 Jan 2013
Location: By the River Dart
Posts: 1841

2013 Range Rover Sport SDV6 HSE Orkney Grey

See the exporting to Australia thread

 2023 P440e SE Dynamic on order -cancelled

2022 HSE Dynamic P400e

2017 Discovery 3.0 HSE Silicon Silver Nimbus interior and a few extra toys SOLD

2013 HSE Black, Orkney Grey, Ebony Seats and Ivory Interior SOLD

2006 HSE

Plus a few other cars inbetween!

Post #395478 Thu Sep 19 2013 11:47am
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Oz Sport



Member Since: 06 Jul 2011
Location: Perth
Posts: 15

Australia 

tonytiger wrote:
Thx oz sport, a picture would be good please to see how they fill the arches

Thx tt


Rims are 20x9.5 with a 45 offset I think ( advert said 50 , but the rims are stamped 45 ) . It rubs only on rhs inner back wheel well

Post #395488 Thu Sep 19 2013 1:22pm
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Russben



Member Since: 27 Mar 2013
Location: Lancashire
Posts: 278

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

I've had the 275/45 x 20's fitted (Yokohama advan) and it definitely rides better now. I'm in the shed, I'll be back in the real world in a minute.

Post #396026 Tue Sep 24 2013 4:26pm
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quantumjohn



Member Since: 17 Mar 2013
Location: NW Kent
Posts: 53

United Kingdom 

I've recently changed from 19" wheels with Hankook Ventus tyres to 20" Stormers with 275/45R20's on.

The handling and ride is significantly worse. The 20" wheel and tyre combination is quite a bit heavier and the additional unsprung weight is very obvious in the steering and ride. Probably not helped by the Cooper tyres fitted to the wheels which I understand are a heavy tyre.

Post #397213 Fri Oct 04 2013 9:35pm
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