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Anybody try the Nankang 21" tires?

Discussion in 'Model S: Driving Dynamics' started by BlkCld, Sep 9, 2015.

  1. BlkCld

    BlkCld Member

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    Just wondering if anybody has tried the Nankang AS-1 performance 245/35/21?
    I have gone through two sets of Contis that only last 8000 miles on the rear of my P85. The fronts are lasting double without rotating.
    Only threads I could find seemed to be about 19s but the threads were in Dutch I believe.
    I was looking for feedback on the 21" size.
    I have read a bunch of mostly good reviews for that brand for other cars and was thinking about it since they wear out so fast anyway.
    Feedback good or bad?????
    Please no discounting credibility because they don't have commercials playing every 15 minutes.
     
  2. Jool

    Jool Member

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    I haven't used that particular model, but my experience with Nankang tires is that they work okay, but that's about it. Definitely a budget tire - don't expect great tread life, grip (especially in wet conditions) or noise/road comfort.

    They're fine if you want to save money and you're burning through tires fast due to performance use (like at a track) but honestly I would spend a little more to get better tires.
     
  3. BlkCld

    BlkCld Member

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    Thanks that was my thought as well.
     
  4. TheFro

    TheFro Member

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    The Nanking tires offer a 40000mi tread-life warranty, which is just insane for 21" tires.

    Nankang AS-1 | Nankang

    I've been doing a lot of long distance driving in my P85 and have burned through 2 sets of tires in a year so I may give these a shot.
     
  5. jpaz

    jpaz Member

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    The ONLY disappointment in my P100D is the 21" wheels. This was an "inventory" purchase with everything else I wanted so I could not switch the wheels when new. I'll see how it goes but wonder about changing to 19" wheels vs more frequent tire replacements. When the tires are shot, will look into replacing the Conti's with another brand depending on what I see posted. Let us know how the Nankang tires work out. Thanks.
     
  6. Reekdog

    Reekdog Member

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    IMG_5622.PNG 40,000 mile warranty
     
  7. mambro

    mambro Supporting Member

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    They keep getting cheaper. Yes, they have a 40k "warranty" but according to Discount Tire, the wear has to be even. Anybody at all try these? Anyone.. anyone...?


    Nankang Tire AS-1--04252018.jpg
     
  8. zwede

    zwede 2013 P85+

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    Plano, TX
    Haven't tried those but I like Hankook tires. I honestly don't notice a difference between the Hankooks and the Michelin PS2s the car came with. Currently $179 @ tirerack so not much more.
     
  9. GaryD

    GaryD Member

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    After getting only 13000 mi on 21" Hankooks for my P85, I thought of an idea that I wanted to run by the forum. The Hankooks are directional but the Nankangs are not, I am pretty sure. This won't work with directional tires but how about taking the rear tires after about 4000 or 5000 miles and removing them off the wheels and flipping them so that inside tread becomes outer thread? This is an unusual "rotate" method but makes perfect sense unless I am missing something important. Anyone have thoughts about this?
     
  10. Doanster1

    Doanster1 Member

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    While they may not be directional, the pic above shows they are not asymmetrical, ie there is probably a stamp saying “Outside” on the sidewall, which would negate your idea.
    Model S just eats rear tires. It’s an unfortunate cost/tax of driving this beast. 21” along with SAS set on low exacerbates things, but we all take it in stride even though it’s painful for the wallet.
     
  11. GaryD

    GaryD Member

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    Yes, I think you're right. After I posted this, I looked at Tire Rack's Vredestein Quadrac Pro description and it described that the inner tread is different than the outer tread. They serve different purposes and can't be flipped. Perhaps, a tire mfr will make a special Tesla tire that has beefier inner tread to offset this problem. The tire rack guy told me that it is crucial to do the first rotation at 3000 miles or greatly shorten the life. I didn't know or follow that. I sure will do that now!
     
  12. diver110

    diver110 Member

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    Why do S’s burn through tires?
     
  13. BrianS85

    BrianS85 Member

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    from a layman’s perspective, it looks like the car has a lot of negative camber in the back that is not adjustable which wears out the inside edge very quickly.

    I’m at 8k miles on a set of 285/30/21 Michelin Pilot super sports and while they look nearly new, the inside edge probably has 4K miles left at most.
     
  14. Zishan

    Zishan Member

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    It's geometry, typically the lower a car goes, the more camber results. Camber (as well as toe) causes wear. Most sports cars or cars that are designed to handle well, have some camber from factory. It compromises tire wear for handling. Some cars you can realign to have the camber dialed out, but as I understand it, the Model S does not have camber adjustments (so I've heard).

    Outside of that, the weight of the car, and the type of tires affect tire wear. Performance tires that are stickier, usually wear quicker, compromising wear for handling. Tires designed for more miles, are typically harder compound.

    In the early 90's, the NSX was criticized for its excessive tire wear. I think it was like 2-3k miles. It had a very aggressive alignment, super soft compound tire, and the weight of the engine was almost right on top of the rear wheels. You could, adjust alignment and change tires and get 30k miles out of another set of tires. But it would not handle anywhere near as well as before. Just an example.
     
  15. diver110

    diver110 Member

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    Thanks for the info. I found the handling of the S okay, but far from “Porsche-like.” Hard for the handling to justify bad tire wear, but perphaps extra range would.
     

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