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Road Noise 19" vs 21" Wheels

Discussion in 'Model S: Driving Dynamics' started by voltronhb, Mar 29, 2017.

  1. voltronhb

    voltronhb Member

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    I'm considering upgrading to 21" wheels on the Model S. My largest concern is the road noise. How does the road noise compare between the 19" versus 21" wheels? Will having ContiSilent on the 21" minimize the noise difference?
     
  2. pdxrunr

    pdxrunr Member

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    I went for 21's for the looks, went back to 19's as I couldn't take the road noise. Still love the looks of the 21's, but just can't do it. Others will say it's not that different. You should try to meet up with other owners of each and drive them both back to back so you can hear for yourself.
     
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  3. Blu Zap

    Blu Zap Grinning member

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    Turn up the stereo. Open the sunroof. It won't matter. I love my 21s. Looks are great and the road noise is not that big of a deal.
     
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  4. eye.surgeon

    eye.surgeon Member

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    It was a big enough deal for me that I ordered the 19s. And I don't like flats either, haven't had one in 22k miles on my 19s.
     
  5. cab

    cab Member

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    The issue is less the rims and, of course, more the tires. ALL Teslas now come with tires that have noise absorbing foam, but the benefits of that seem to be questionable and/or tied to very specific scenarios (i.e. ping on impact perhaps, etc.). The general consensus seems to be that the PS2s were very noisy but handled awesome. The Continental Contisilents were supposedly noticeably quieter, but perhaps not as much as most of the 19s . There are very few reports on the latest Michelin PSSes with the sound absorbing foam in them. REDI on here has them and may chime in.

    So much of the noise thing comes down to the roads YOU drive on every day. If you drive on relatively smooth blacktop, heck, just about any tire is quiet on that. If, conversely, you are on the exact opposite (e.g. heavily grooved concrete) then most tires are loud and some are REALLY loud. If you have to drive on the latter a lot, then I would stick with the 19s especially since the Model S isn't exactly the most sound insulated car out there (compared to anything else in its price class).
     
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  6. dandelot

    dandelot Member

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    Just picked up a new S 100D yesterday at Fremont and the 19 inch Goodyears are light-years quieter than the 19 inch Michelins were on the 2014 S 85. The car is much much quieter than the S 85 was. Very very nice.

    Just realized a typo in my signature Should be S85 not S 84 :)
     
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  7. skitch23

    skitch23 Member

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    I have 19's and they are super quiet. I don't remember what brand they are tho... they were brand new on my CPO I picked up in Feb so they might be Goodyears. My car has been in the shop since Monday (cosmetic fixes) and they gave me a P85 loaner with 21's.... I can't really tell a difference driving around town but it is noticeably louder on the freeway. I love the look of the 21's, but I'm glad mine has 19's.
     
  8. NikeWings

    NikeWings Active Member

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    Its ultra personal and you should test drive both. I have 21s & 22s, and not bothered at all.
    Don't forget to factor roadnoise from all glass roof, pano roof, and windows which would be much quieter if none of those existed. ;)
     
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  9. joefee

    joefee 2M+ page views on TMC Threads

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    I have both 19 (road trips) & 21's. If I had to pick one, I'd go with 21's for the looks.
     
  10. davidc18

    davidc18 Active Member

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    do not notice any road noise difference between the 19s and 21s. 19s on coils and 21s on air (picked up the 21s after about 7,000 miles on the original factory 19s).
     
  11. voltronhb

    voltronhb Member

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    What tires are on your 21s? Seems like the newer ones with sound absorbing foam for either the 19s and 21s make a big difference.
     
  12. cab

    cab Member

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    It would be interesting to know which tires were on your loaner. I would bet they are Continentals, but could be the Continental 5P Contisilents (with sound deadening foam) OR the regular Continental DW Extremes (w/o any foam). As a side note, I think the tire tread pattern combined with road surface makes WAY more difference in the noise level than the foam does.
     
  13. skitch23

    skitch23 Member

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    The loaner has Continental Extreme Contacts. I just looked at a photo of my car and it has Goodyear Eagle RS A tires.
     
  14. CameronB

    CameronB Member

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    Jason Hughes would say it should be S82 ;)
     
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  15. Navsarin

    Navsarin SP100D

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    Own a 16' 90D Have 21's continental DW on for spring summer fall and 19's PS for winter. Handling wise the 21's definitely grip better and provide a tighter feel when turning. Road bumps are felt more for sure but not overtly intrusive. The 19's do provide the softer ride. I just love the 21 look that I could never just stick to the 19's for good!
     
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  16. sorka

    sorka Active Member

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    I have both sets of wheels. 19s had Primacies until a few k miles ago and now have the a/s 3+. Both of those have more road noise than the soft summer compound of the Continental Extreme Contact DW on the 21s.
     
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  17. Raddoc

    Raddoc Member

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    I got 21s and can't detect any road noise from them. They look much better than 19s. Definitely go for the 21s.
     
  18. SomeJoe7777

    SomeJoe7777 Marginally-Known Member

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    Many 21"s can give you equal or perhaps slightly better road noise characteristics than the typical 19"s. But don't forget that you're comparing tires of different classes here.

    Most of the 19"s are either grand touring or ultra-high performance all-season, whereas almost all of the 21"s are max performance summer.

    This means that the 21"s will have way less tread life, and cannot be used in cold temperatures or winter conditions. If this is an issue for you, reconsider your tire choice and get a size and class of tire that meets your needs.
     
  19. huzz1970

    huzz1970 Member

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    I have the 19" because of the road noise. I have had loaners with 21's and do not like the ride or the noise, mostly the noise. I have ridden in other S models with 21's, same issue. I replaced my first tires at 48000 with the same Michelin MXM4s. I run at 45psi, quiet ride. I have 56000 miles, average 281kWh/mi. Driving about 55-60 miles per day 2/3 highway, 1/3 local. Many trips from Phoenix to LA, PHX to Albuqueque, PHX to Denver, winter and summer driving.
     
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  20. cab

    cab Member

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    Agreed and as tires wear their noise level often goes up so you will spend more time with less tread typically with the 21s...and thus more noise more of the time.
     

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