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Anyone running 20" alloys on their A6 ??

seasidestevo Jun 14, 2018

  1. seasidestevo

    seasidestevo Member

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    hi,

    i drive a 2010 a6 le mans with the standard 19" twin spoke alloys and 255 x 35 x 19 tyres

    i've bought a set of 20" alloys - tyres are currently 245 x 45 x 20 and a lot bigger in circumference when i stand them next to my standard ones.

    What tyre sizes are you running on 20" alloys ??

    i've done a quick online check and putting 30's on will give the same circumference as standard.

    Cheers!
    Stevo
     
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  3. Misikee

    Misikee New Member

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    Hello!

    I use 20” with 245/35r20 tyres on my 2006 c6 avant. S8 wheels et46


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  4. seasidestevo

    seasidestevo Member

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    :icon thumright: thanks for the reply
    i don't want them to look lost if i put 30's on if 35 will fit under the arches
     
  5. Gazwould

    Gazwould Well-Known Member

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    What on earth is this bigger is better culture all about ?
     
  6. seasidestevo

    seasidestevo Member

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    i'm 6'5" tall, bigger is better ha ha
    not saying its better, i prefer the look of the bigger wheels, each to their own mate
     
  7. Gazwould

    Gazwould Well-Known Member

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    6'5" peeps stoop because of low door ways .

    Just one up to many downsides .

    19" + low profile , not fit for purpose on Britain's broken roads .
     
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  8. seasidestevo

    seasidestevo Member

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    Thanks for your input, not really answered my question though
     
  9. Mollygoogle

    Mollygoogle Member

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    There are a couple of good sites like wheel-sizes.com and wheelfitment.eu for checking factory sizes of cars. A 2010 is shown as using 255/30. A 30 profile tyre will look fine
     
  10. seasidestevo

    seasidestevo Member

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    Brilliant, thank you
     
  11. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

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    Currently driving a courtesy A6. 255/35/20 tyres on it. But it’s a c7
     
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  13. Mollygoogle

    Mollygoogle Member

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    You’re welcome
     
  14. seasidestevo

    seasidestevo Member

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    WesT - the ones i bought are off a later A6 Avant with 45's on but the wheel arch must be a lot bigger - i put them to the side of mine and looked massive in comparison, was hoping 35's would be ok
     
  15. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

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    What are your OEM sizes. Give me the offset of a OEM rim and tyres and the offset for the new rim and tyres size and I’ll see how far your speedo will be out. /45 might be pushing it especially with 20” in terms of clearance in the arches.
     
  16. Mollygoogle

    Mollygoogle Member

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    The rolling radius between the stock 19’s and the tyre size I’ve suggested are the same. The speedo won’t be out.
     
  17. seasidestevo

    seasidestevo Member

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    wheels i've bought are e8jx20h2 et25

    i've had a check and if i put 30's on the rolling circumference is the same as my standard 19's with 35' on.

    was hoping to put 35's on the 20" - the 45's currently on deffo are too big to fit under the c6 a6 arches

    i know the speedo will be slightly out but only minimal and of no notice
     
  18. AFONE

    AFONE New Member

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    I’m still trying to sort out why my 19in wheel is scraping the rear fender liner. I can only imagine the issues that 20s would cause.


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  19. Mollygoogle

    Mollygoogle Member

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    There is no correlation. A 20" wheel and tyre is the same size as a 19" wheel and tyre combo. The width and offset are far more relevant.

    Are you rubbing on both sides or on one? What size tyres? What suspension?
     
  20. AFONE

    AFONE New Member

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    I’m only rubbing on the right rear wheel. Running H&R springs with 255/35/19s and 19x5x8.5 et 38 wheels. Seems that the right rear side sits slightly lower than the left. [​IMG]


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  21. Mollygoogle

    Mollygoogle Member

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    You may have the same problem as me. Look down on your rear wheels from above and see whether you think the wheel that rubs is sticking out further from the bodywork than the one that doesn't
     
  22. AFONE

    AFONE New Member

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    Yes, the side that rubs sticks out slightly more than the other side. The shop said that it’s because the fuel tank fill pipe is on that side.
     
  23. Mollygoogle

    Mollygoogle Member

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    The shop are wrong. On my car it is the opposite side that sticks out further. I have an active thread about the subject at the moment. B5NUT confirms that the rear subframe is adjustable so it can be rectified
     
  24. Mollygoogle

    Mollygoogle Member

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  25. AFONE

    AFONE New Member

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    Excellent info. I’ll jump onto your thread and let you know if I resolve.

    To the OP, apologies for hijacking your thread.


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  26. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

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    Edit: it’s the other way round. It’ll be further out.

    Can you give the OEM wheel figment so we can calculate the difference and see how far it will poke.
     
    Last edited: Jun 21, 2018
  27. Gazwould

    Gazwould Well-Known Member

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    Other way around , ET25 is further away from the strut / more wheel arch poke .
     
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  28. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

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    Yes you are right.
     
    Last edited: Jun 21, 2018

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