Member Since: 04 Apr 2017
255/50/20 v 255/55/20
Hi guys, apologies if this has been answered before.
Fairly new to the forum but wanting to look at options when I need to replace the current 255/50/20 Pirelli Scorpions that came fitted when we bought it.
I like the look of the AT3, and looking to maybe fit 255/55/20. If so do you have any issues with the increase in profile etc.
I believe quite a few forum members are running different, non OE size tyres, but having never tried a different size from OE I am slightly nervous.
27th Oct 2017 2:19 pm
Member Since: 23 Apr 2010
This does not directly answer your question, but after much research I decided to go with 285/50R20 on mine (R2 SUV winter tires...will mount the Cooper LTZ or some equivalent when the summer comes). The only cars that have experienced no rubbing had ET53 rims according to this and other forums. So I made sure I had the same and sure thing, no rubbing, not even in access mode on lock (reverse or forward). Since the diameter and width is bigger than what you are trying to put on I would say it could work. If you have other rims than ET53, change or do the calculation and see if it falls withing the 285/50R20 on ET53 rims. If not, I would guess you would have some rubbing problems.
27th Oct 2017 5:55 pm
Member Since: 11 Aug 2008
I fitted 255/55/20 grabber AT to mine about 18 months ago (maybe more?). No mods and no rubbing so no problem.
Because the rolling circumference is slightly larger, the speedo now reads pretty much bang on to what an external sat nav says I'm doing, and it appears that my fuel consumption has increased. However, in reality consumption has stayed the same over the same journey that I do every week.
I prefer the look of the 255/55 profile tyres over 255/50 but I guess that's just a personal thing.Bri
D4 HSE Luxury
27th Oct 2017 8:30 pm
Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Can you use 255 55 20 as a spare, does it fit between the chassis rails ok?Stu
D4 2016 hse lux montalcino red - current
D3 2005 se java black - current
D3 2005 base manual - gone
27th Oct 2017 8:45 pm
Member Since: 08 Nov 2005
Location: Oldbury, WM
yes you can - I have a 275/45x21 under the back of mine when its summer alloys are on.
AlMY16 D4 SE Tech, Loire Blue, Almond Leather, Privacy, plus some other goodies.
Old - MY12 D4 SDV6 XS Auto - Ipanema Sand with Almond Leather - Plus other niceties, and D4.com sticker
Older - D3 TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV - and obligatory D3 sticker
Ancient - D3 TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
If you think you are too small to make a difference - you've never shared a bedroom with a mosquito
28th Oct 2017 11:58 am
Member Since: 08 Mar 2015
I run 255/55 AT3s. Look the business, more comfortable, more sidewall so better rim protection.
Only downside is that my mpg appears to have dropped a bit. But I think that's down to the speedo being more accurate so the mpg computer isn't lying anymore. But then my logic may be wrong.
I didn't buy a spare though and when I had a puncture is was very unsettling having a 255/50 on for ye few miles I drove it.
29th Oct 2017 9:28 am
Member Since: 21 Sep 2007
Assume there was no problem using the 50 profile spare?
I too am weighing up the 255/55R20 tyre option, my original 255/50R20 spare is unused so do I need 4 or 5 new tyres.
29th Oct 2017 8:07 pm
Member Since: 08 Mar 2015
Well it worked but it felt funny under braking and I wouldn't have wanted to go far/fast.
I haven't bought a fifth yet but I will. Problem with these tyres is that you'll always need to order them. It's not like you can have a puncture, drive to quick fit on the small spare and get a replacement there and then.
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