Variation in tyre width - Vredestein - Vredestein

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by E55K, Mar 24, 2014.

  1. E55K

    E55K Member

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    Had some new Vredestein Vorti fitted recently. Replaced Vredestein Sessanta.

    Both 265/35/18

    Surprised at the difference in width - although these were unmounted. Didn't get a shot of them mounted side by side

    I guess when they are both fitted they are of a more similar width?!

    [​IMG]
     
  2. John

    John MB Club Veteran

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    I'd be surprised if they did get much closer - and I very much doubt to that extent highlighted in the photo.

    I understand that manufacturers size their tyres but when compared to others - the same size isn't actually the same across the board at all.

    Bizarre two different tyres from the same manufacturer are so different given they are the same size...
     
  3. Abdul

    Abdul Hardcore MB Enthusiast

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    My 255 Vorti's are definitely wider then my old Sessanta's. Good thing IMO.
     
  4. simon1966

    simon1966 Hardcore MB Enthusiast

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    That looks a massive difference. My last 2 sets of tyres on my E55 have been sessanta's. I have just had a new set of tyres delivered today for my new larger 19" wheels and fancied a change so have gone for Goodyear asymmetric 2's. The rears look massive, they are 275/30/19's but actually measure 290mm wide! I hope they're going to fit OK without failing the arches!? Just goes to show how different they can be.
     
  5. sixpot

    sixpot Hardcore MB Enthusiast

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    How are people finding the Vorti's compared to the Sessanta's?
     
  6. OP
    OP
    E55K

    E55K Member

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    Give me a month or two & I'll tell you :)
     
  7. OP
    OP
    E55K

    E55K Member

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    So, I messaged Vredestein about this & shared the photo above...

    Here's their response (verbatim)
    "This difference in width is normal. If you compare these tyre when they are mounted, the overall width is the same.
    Because of a higher grip rating the tread of the Vredestein Ultrac Vorti is wider than the tread of the Vredestein Ultra Sessanta, witch better reflects its characteristics. "

    I don't think I understand the response!
     
  8. John

    John MB Club Veteran

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    The difference is normal, but when mounted they are the same overall, but one is wider than the other because it reflects its characteristics.

    In other words...

    Yer, but no, but yer, but no but yer.

    What's Meg got to do with all this anyway?
     
  9. boxbrownie

    boxbrownie Hardcore MB Enthusiast

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    Have a look on the Vredenstein website and try to find any mounted specs, this'll give an accurate measure of the measured size when fitted on a particular rim width.
    But the most I have seen is approx 10mm variation, that size different looks huge!
     
  10. boxbrownie

    boxbrownie Hardcore MB Enthusiast

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    Technical Data

    page 69

    Look at the variation in fitted width depending upon rim size, your old tyres could have taken a "set" from wider rims, the new tyres may well end up the same after a few thousand miles.
     
  11. Abdul

    Abdul Hardcore MB Enthusiast

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    I've had sessanta's on a different car before so can't make a fair comparison I'm affraid.

    With the Vorti's my CLK55 generally only ever fails to put down 100% of its power now only if I absolutely give it death round a bend or in the wet in 1st/2nd. Overall I'm very pleased.
     
  12. Dieselman

    Dieselman Banned

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    The wider tyre has a higher grip rating due to having a wider tread section.

    When mounted, the wheel rim makes the bead move out to the same point, so the overall tyre width is the same.
     

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