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Bouncerdrum



Member Since: 27 Nov 2023
Location: Manchester
Posts: 5

United Kingdom 2012 Range Rover Sport SDV6 HSE Lux Chawton White
285 45 22 on a 2012 L320

So I've inadvertently purchased 2off nearly new pirellis 285 45 22 off Ebay.....thinking they were 285 40 22 .....

My heart sank when I saw them standing in the hallway tonight ....they look bloody massive

I have the potential to put them on 22x9.5j alloys with ET40 offset - possibly ET35

Would these go on my 2012 L320 ?

Or am I p@ssing in the wind ?!?!?!?!?!?

Post #644675 Fri Oct 11 2024 4:35pm
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4973

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

I think personally I might be inclined to check with your insurance company first, to see if it's o.k. with them, as I think it would be classed as a modification these day's and not ever being a o.e. size on the L320 either.

Cheers
Col

Post #644709 Sun Oct 13 2024 8:39pm
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8980

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

You bought 2? You'll need another 2 if you're going to try using them. Running different rolling radius tyres will likely cause your traction control / DSC to have a gentle fit. At 60 mph, the 285/45 will be 2mph faster than the 285/40. Not much but it could be enough to upset things.

I'd also be surprised if they'd fit without rubbing at full lock. They're about 12% larger diameter than the tyre sizes fitted as standard. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #644711 Mon Oct 14 2024 7:35am
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Bouncerdrum



Member Since: 27 Nov 2023
Location: Manchester
Posts: 5

United Kingdom 2012 Range Rover Sport SDV6 HSE Lux Chawton White

Yes - I know I'll need another 2off if I can get someone to advise whether these will fit or not before i buy another 2off

Failing that , if they won't fit on my L320 - i may consider fitting them to my L322 (after i buy another 2 off)

I have had confirmation from one user that a 275 45 r22 tyre will go on without rubbing

the 275 45 R22 is 806.3mm in diameter , the 285 45 r22 is 815.3mm in diameter - so we're talking an additional 4.5mm arch loss - the difference in width between a 275 and a 285 is 10mm.

to re-iterate the alloy wheels I have are 22x9.5j with an offset of ET40

I really don't want to 'trial by fire' this and just get the big tyres put on - test fit to the car and see what happens at full lock at very low maneuvering speed .....

The moral to this story is don't browse ebay late at night with blurry eyes.....

Post #644722 Mon Oct 14 2024 11:21am
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8980

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

Ah, I was just checking that you knew about the need for 4 as we have, in the past, had people come on here wanting to do staggered sizes between front and rear axles - presumably because they think it would look cool.

I could see rubbing happening in access mode as others have reported it on smaller set ups than that tyre. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #644724 Mon Oct 14 2024 1:00pm
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Bouncerdrum



Member Since: 27 Nov 2023
Location: Manchester
Posts: 5

United Kingdom 2012 Range Rover Sport SDV6 HSE Lux Chawton White

I think its going to be a case of putting these two tyres i have on to the alloys I have and test fitting them to the car

At the very least I'll be able to definitively say whether they will or will not work on the 2012 L320 .

Post #644725 Mon Oct 14 2024 1:25pm
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8980

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

Yeah, that's probably your only/best way of knowing for sure. Need to check on both axles as well, as the rear axle has a great range of vertical movement than the front. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #644730 Mon Oct 14 2024 4:57pm
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