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Tyre size on 18" alloys

icekay Aug 6, 2012

  1. icekay

    icekay Member

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    Currently have 16" alloys with tyre size 205/55/R16 91.

    Thinking about getting some 18" alloys, but need to know what tyre size i will need for them ?

    also best places to look at for 18" alloys, my car speck is in the sig.

    any help appreciated.
     
  2. Zak0123

    Zak0123 Active Member

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    Hey mate,

    You will need to spec the 18" alloys that you are looking at/have as they are different widths.
     
  3. icekay

    icekay Member

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    spec ? who does that for me ?
    sorry total car noob here
     
  4. Zak0123

    Zak0123 Active Member

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    What alloys are you looking at? Post up a pic or the name of the alloys and Im sure someone will be able to help
     
  5. audicruiser

    audicruiser Audi Heaven

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    The correct size tyre for an A3 on 18" wheels is 225/40 R18 and the width of OEM 18" wheels is 7.5J. If your buying after market wheels then they will be probably 8J width but 225/40 R18 tyres will still fit or you may want to fit 235/40 R18 as fitted to the A4 or TT.
     

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