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GG AT3 255/55R20 or 275/45R20?
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TDi.Si
 


Member Since: 09 May 2013
Location: Stroud, Glos
Posts: 101

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Just in case anyone else is wondering about the 255 55 20 size (as I was) I thought I’d update this thread with mine. I changed from 275 45 21 to 255 55 20, approximately the same height but with a taller side wall than standard. Ride and handling seams fine and they have a more purposeful look IMO



  
Post #210006416th Nov 2019 11:43 am
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Hot Tub
 


Member Since: 15 Aug 2017
Location: Milton Keynes
Posts: 1071

England 2009 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Looking for AT3 255/55R19 anyone recommend where to purchase a pair? Thumbs Up
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Post #210050118th Nov 2019 5:32 pm
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Thanosb
 


Member Since: 30 Oct 2023
Location: Chania
Posts: 1

Greece 2012 Discovery 4 3.0 SDV6 HSE Auto BournvilleDiscovery 4

TDi.Si wrote:
Just in case anyone else is wondering about the 255 55 20 size (as I was) I thought I’d update this thread with mine. I changed from 275 45 21 to 255 55 20, approximately the same height but with a taller side wall than standard. Ride and handling seams fine and they have a more purposeful look IMO





Hello,
Do you have rub with 255/55/20? Do you have done any modifications with the height?

Thanks
  
Post #235181830th Oct 2023 8:19 pm
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RRUK
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Member Since: 16 Aug 2005
Location: UK
Posts: 681

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

I had a set of GG AT3 that were on new Defender 20" rims, took them off my D5 and they looked great and were very comfy as they were 255 55 20.

However, as my D4 is a late model and apparently has an extra chassis leg behind the front wheels, they rubbed on there and the front wheel arch liners. Such a shame. I'm not willing to start cutting bits off the car just to fit some tyres.

So I sold the tyres and put stock 255 50 20 on for summer use and bought a set of 19" alloys. At the moment I'm running GG AT3 255 55 19 and they run very well.

Think this is my third set of GG AT3 now. Much prefer them to the Duratracs I had (2 sets of those)


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 1998 Defender 110 TUM HS FFR Hard Top XD WOLF

2016 Discovery 4 HSE

1982 Series 3 2.25 Petrol Hard top- Oscar, as featured in Classic Land Rover Magazine for 7 months 


Last edited by RRUK on 2nd Feb 2024 1:33 pm. Edited 1 time in total 
Post #23607002nd Feb 2024 1:30 pm
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qcnr
 


Member Since: 23 Nov 2017
Location: Norway
Posts: 117

Norway 

I would always go with the tyres with the highest profile, rather than greatest width.
  
Post #23607022nd Feb 2024 1:33 pm
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MrTed
 


Member Since: 06 Jan 2023
Location: Rickmansworth
Posts: 197

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

I've had these on for the last year (AT 255/55/20) but I don't know what 'version' they are. At motorway speeds they are exceptionally quiet, except on the south-side of the M25 where it sounds like you are being chased by a giant duck slapping its feet behind you!
Would buy again except I keep seeing that the Scorpion Zero's are better in the wet and 4db quieter with MUCH better fuel economy but if I go off-piste will I slide-off the trail? That being said I don't think there is a 'perfect' tyre as it all depends what qualities are important to you. I think i'll stick with these as i'm very happy with them and don't really want to spank over two hundred notes per corner to find out I've made a mistake...

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 Discovery 4 HSE late 2015 Euro6
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Post #23607152nd Feb 2024 3:04 pm
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