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  1. #1
    Join Date
    Sep 2007
    Pretoria, South Africa

    Default Replacement tire size

    I have 18" rims with standard 235/60R18 tires (tyres in my part of the world!!) on my XC60 T6

    The rolling circumference of a 255/55R18 tire differs less than 1% to that of the standard tire so it is potentially a good replacement - however, it is much wider and may cause problems with scuffing on the suspension on bodywork. Also, these tires are quite noticeably heavier so the unsprung mass increases.

    So my question - does anybody have experience with this alternative tire size? Results?

    2016 V40 D4 AT
    2010 XC60 3.0T AT
    2004 Mazda Miata 1.8 - My new toy and restoration project ... Not everything you do in life has to be rational!

    Gone: 2015 V40 D3 AT, 2002 V70XC 2.4T AT, 2007 S60 2.5T Manual, 2004 S60 2.0T Manual, 1996 850 GLT Manual

  2. #2
    Join Date
    May 2020


    It sounds like your making a very persuasive argument for keeping to the standard tyre.

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