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Wayneclarke



Member Since: 16 Jun 2014
Location: kent
Posts: 348

United Kingdom 2006 Range Rover Sport TDV6 HSE Java Black
45 profile

So I’ve been reading lots about people changing tyres to 45 profile from the 275/40/20 ! My question is does this do any damage or cause any problems?? As I’m due to get some new tyres this month and I’m thinking is it worth changing to the 45

Post #573195 Wed Jan 16 2019 9:32am
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 2342

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

They will not cause any damage or issues, will improve ride quality a little, look better as they fill the arches more and will make no difference to the speedo accuracy, in fact will probably make it more accurate.

Cheers
Col

Post #573202 Wed Jan 16 2019 11:14am
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Tyrefitter



Member Since: 19 Jul 2015
Location: Bridlington East Yorkshire
Posts: 2569

United Kingdom 2013 Range Rover Sport SDV6 Autobiography Fuji White

Just make sure you change them all at the same time though.If you only change 2 on same axle you could do serious damage. Andy.

2015 RRS AB Fuji.
2014 Evoque D-Lux Fuji.
Previous motor.
2014 RRS SC Santorino,coris roof.
2016 VW Amarok Highline,candy white
2014 RRS AB FUJI
2012 RRS Dynamic red edition Fuji
2012 RRS SE santorino
2015 Navara White
Subaru wrx sti widetrack
2008 RRS white TDV8
2007 RRS black TDV8
2002 RR Vogue
1996 P38 2.5 HSE.

Post #573207 Wed Jan 16 2019 12:03pm
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Wayneclarke



Member Since: 16 Jun 2014
Location: kent
Posts: 348

United Kingdom 2006 Range Rover Sport TDV6 HSE Java Black

Yes I was going to change all four if I decide to change

Post #573235 Wed Jan 16 2019 7:23pm
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geoffsnook



Member Since: 19 Nov 2016
Location: cardiff
Posts: 1582

Wales 2005 Range Rover Sport Supercharged HSE Java Black

Gives a bit more sidewall against kerbs etc too Thumbs Up

Post #573236 Wed Jan 16 2019 7:35pm
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airc909



Member Since: 28 May 2018
Location: Coventry
Posts: 82

United Kingdom 2005 Range Rover Sport TDV6 SE Siberian Silver

i have a used set of 275 45 20 tyres if you want to buy them, matching set

in coventry

Post #573290 Thu Jan 17 2019 4:17pm
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airc909



Member Since: 28 May 2018
Location: Coventry
Posts: 82

United Kingdom 2005 Range Rover Sport TDV6 SE Siberian Silver

wayne i have pm'd you back but its stuck in my outbox

did u get it

Post #573295 Thu Jan 17 2019 5:04pm
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insiorc



Member Since: 17 Jul 2016
Location: Orkney
Posts: 389

Scotland 2013 Range Rover Sport SDV6 Autobiography Firenze Red

Would there likely be any insurance issue's with the 45's not being an official size tyre for that age RRS? Of course it'd only become apparent in the event of a claim. 13MY Range Rover Sport Autobiography SDV6 - mine
14MY Range Rover Evoque Dynamic SD4 Black Pack - wife's
99MY Defender 90 TD5, Soft Top Conversion - my toy, and bairns favourite

Post #573334 Thu Jan 17 2019 11:16pm
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GodivaNige



Member Since: 14 May 2016
Location: Warwickshire
Posts: 409

England 

Yes, you should inform your insurer and get confirmation in writing that the mod has been declared and accepted.
If involved in a crash, an assessor will pick it up, it’s one of the things they are trained to look for.
Insurers will look for anything that shifts blame, or avoids payout, or both

Post #573335 Thu Jan 17 2019 11:31pm
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 2342

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

I actualy told my insurance company what I had done when car in the UK. just listed it under modification/alterations etc. never made any difference to premium.

Cheers
Col

Post #573336 Thu Jan 17 2019 11:33pm
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GodivaNige



Member Since: 14 May 2016
Location: Warwickshire
Posts: 409

England 

Yep, that’s all you need to do, declare the change and if accepted, then it’s all ok.

Post #573339 Thu Jan 17 2019 11:37pm
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johnrambo



Member Since: 30 Jan 2019
Location: scotland
Posts: 27

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

i changed up to 45 profile
fills out the arch better

Post #576698 Fri Mar 08 2019 6:01pm
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Hog



Member Since: 03 Dec 2015
Location: The Netherlands
Posts: 202

Netherlands 2011 Range Rover Sport 3.0 TDV6 HSE Baltic Blue

last October I swapped my Michelin 275/40/20 summer tires for Goodyear Ultra Grip 275/45/20 winters. No problem at all.
Best thing: the truck feels like driving on carpet. Lots of comfort. LR 3 HSE V8 gone
DiscoveryII V8 Gone
Discovery 1 V8 Gone
Mustang Shelby
Alfa Guilia (classic)

Post #576718 Fri Mar 08 2019 10:03pm
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grey17



Member Since: 18 Jul 2016
Location: London
Posts: 58

United Kingdom 2009 Range Rover Sport TDV8 HSE Stornoway Grey

Hi mate.

I changed mine for 45 profile tyres after reading favourable comments on here regarding the ride quality.

I have to say that it is marginal at best and you would be better off dropping your tyre pressures to soften the ride if that is your primary motive for the change.

255/55/R19 would be a better bet if ride comfort is what you desire.

They are cheaper and give a much more forgiving ride as well as having a spare wheel of the same size Smile

G

Post #577348 Tue Mar 19 2019 12:40pm
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