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Bridgestone ecopia 422 plus road noise

Discussion in 'Gen 3 Prius Main Forum' started by markjosh51, Dec 2, 2019.

  1. markjosh51

    markjosh51 Junior Member

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    I purchased a new set of Bridgestone Ecopia 422 plus about a few weeks ago. I have noticed that my mpg has slightly gone up and that the ride is soft but I get this loud road noise that is noticeable at highway speeds. Does anyone have these tires and have they ever noticed this?
     
  2. bisco

    bisco cookie crumbler

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    hopefully, they will get quieter with time. experiment with different pressures
     
  3. Markdizle

    Markdizle Member

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    I have had them for about 12k miles, great tire IMO. Quiet, reasonably priced, and excellent MPG! I had another set of non eco tires before this for a short time, I couldn’t tell a difference even though these tires were suppose to be really quiet. I returned them to Costco and got the 422’s


    iPhone ?
     
  4. Johnny Cakes

    Johnny Cakes Senior Member

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    bisco likes this.
  5. markjosh51

    markjosh51 Junior Member

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    The ride is better than Kuhmos I had on. I also saw an increase in my mpg but the noise is still there. I probably have to break them in. I will post an update after 10k.
     
  6. markjosh51

    markjosh51 Junior Member

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  7. Peng Xiao

    Peng Xiao Junior Member

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    We put 2 Bridgestone Ecopia EP422 Plus on rear of 2018 Prime, wife told me the same thing, and I feel some too.
     
  8. Mendel Leisk

    Mendel Leisk Senior Member

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    There’s an American and Mexican version of this tire. And a rarer Japanese version. The latter was OEM tire on some Prius. All three have tread variations, and other stat variations.
     
  9. bassically_eli

    bassically_eli New Member

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    I bought a 2010 Prius ~3 months ago that came with Ecopia 422 Plus tires. I love the car but hate the road noise! The previous owner bought the tires from Costco about a year ago, and they now have about 10k miles, so I think they're broken in. I am a Costco member, but don't expect them to take them back since I didn't purchase them. I guess the alternative is to buy new tires and try to sell the Ecopias to a used tire place. Should I try adding some insulation before changing the tires?