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paul2415



Member Since: 10 Nov 2014
Location: essex
Posts: 50

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Bali Blue
Fitting 275/45/20 tyres

Looking to replace my tyres, heard that replacing the 275/40/20 tyres with 275/45/20 tyres give a better ride ?, would I need to have the Speedo adjusted or any problems with the tyre rubbing etc with standard set up ?, or should I just stay with the standard size?, thanks for the advice 👍🏻

Post #548999 Sun Feb 18 2018 8:28am
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dobbo9



Member Since: 04 Dec 2011
Location: West Yorkshire
Posts: 93

I'd be interested in this too...The 275/40/20 feels a tad harsh to me.

Post #549000 Sun Feb 18 2018 8:36am
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Camelrock



Member Since: 31 Aug 2013
Location: North Yorkshire
Posts: 915

United Kingdom 2008 Range Rover Sport TDV8 HSE Tangiers Orange

275/45/20 is the way to go no mods required and no speedo issues. I’ve been running that size for years. I changed my spare for a match wheel/tyre as well. 2008 G4 RRSport TDV8 current
2009 TDCi 90 current
2010 Freelander current
1994 Dakar current

Post #549001 Sun Feb 18 2018 9:27am
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PC76



Member Since: 01 Oct 2017
Location: Cheshire
Posts: 114

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Adriatic Blue

I have just fitted the 45 profile speedo is now only 1mph out at 70 when compared to the GPS. No issues with access height but not deflated the corners to check if any issues but you wouldn’t be driving it that low anyway.
I went for the General tire AT3 so 50/50 on off road as I’m currently building remote sites up in Scotland and sometimes have to go on site visits... if you go for these the tyre pressures are critical for a comfortable ride but standard settings seem to be the best so far. No uneven warring and good handling on tarmac. Not pushed them off Road yet just a few fields and snow but all good so far.

Post #549007 Sun Feb 18 2018 9:57am
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paul2415



Member Since: 10 Nov 2014
Location: essex
Posts: 50

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Bali Blue

Ok thanks guys, looking to put a set of hankook ventus st m&s, had these on my last rrs running 275/40/20 tyres, any different in Corning at speed? Thanks

Post #549020 Sun Feb 18 2018 12:29pm
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paul2415



Member Since: 10 Nov 2014
Location: essex
Posts: 50

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Bali Blue

My spare is a 175/80/ r19, so would need replacing? As not much room under the rear to fit a larger diameter spacesaver wheel, recon 15mm before it would foul the box section of the bumper😳

Post #549021 Sun Feb 18 2018 1:08pm
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fdhadi



Member Since: 17 Feb 2015
Location: Wigan
Posts: 177

United Kingdom 2011 Range Rover Sport 3.0 TDV6 HSE Stornoway Grey

We have the Hankook Ventus 275/45/20 fitted. Great tyre & Much improved ride.

Post #549034 Sun Feb 18 2018 2:35pm
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 1749

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

paul2415 wrote:
My spare is a 175/80/ r19, so would need replacing? As not much room under the rear to fit a larger diameter spacesaver wheel, recon 15mm before it would foul the box section of the bumper😳


There is sufficient room underneath to fit a full size spare with a 275/45 x 20 tyre without to much trouble.

Cheers
Col

Post #549084 Sun Feb 18 2018 8:50pm
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RESSE



Member Since: 30 Dec 2017
Location: Shropshire
Posts: 14

United Kingdom 

We need to replace our 275/40 20 tyres shortly - if I have read correctly changing to a 45 profile doesn't cause any issues?

Post #549427 Thu Feb 22 2018 10:44am
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 1749

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

I ran 275/45 x 20" for several years, now run 275/45 x 21" and have had absolutely no issues what so ever, the difference in speedo reading is also negligible in fact if anything it is more accurate.

Cheers
Col

Post #549433 Thu Feb 22 2018 11:20am
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RESSE



Member Since: 30 Dec 2017
Location: Shropshire
Posts: 14

United Kingdom 

Wow, what a transformation!

I had a set of 275/45 20s tyres fitted this afternoon and the RRS is transformed - the steering feels more accurate, car feels more 'planted' on the road and so much quieter. Thumbs Up

Thank you rrsport.co.uk for the advice/help Bow down

Post #549929 Tue Feb 27 2018 7:26pm
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Scrumpy



Member Since: 11 Nov 2016
Location: London
Posts: 265

United Kingdom 2005 Range Rover Sport Supercharged Java Black

Sounds like it’s worth doing?
I might do the same when my tyres need replacing.
Just a thought, do you need to inform your insurance as I’m assuming they are changing from original spec? --------------------------------------------------------------------------------------------------------

If we all point our RR's in the same direction and accelerate at the same time can we turn back time?

Post #549992 Wed Feb 28 2018 1:25am
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RESSE



Member Since: 30 Dec 2017
Location: Shropshire
Posts: 14

United Kingdom 

I informed my insurance company (Admiral) who made a note on the policy but other than that nothing else needed to be done.

Post #549993 Wed Feb 28 2018 1:45am
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naks



Member Since: 15 Jul 2016
Location: Stellenbosch
Posts: 246

South Africa 

chaps, are there any other higher profiles that one can fit to the 20" wheels? --
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: http://1drv.ms/1nNpJeM
Discovery 4 Workshop Manual: http://bit.ly/22l8YHh
Range Rover/Sport L320/L322/L494 Workshop Manual: http://bit.ly/2iH7jgG

Post #550006 Wed Feb 28 2018 11:03am
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Scrumpy



Member Since: 11 Nov 2016
Location: London
Posts: 265

United Kingdom 2005 Range Rover Sport Supercharged Java Black

RESSE wrote:
I informed my insurance company (Admiral) who made a note on the policy but other than that nothing else needed to be done.


Thumbs Up Thumbs Up --------------------------------------------------------------------------------------------------------

If we all point our RR's in the same direction and accelerate at the same time can we turn back time?

Post #550022 Wed Feb 28 2018 2:20pm
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