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POLL: 20" staggered setup. Which rear tire? 275-40-20 or 275-35-20?

Discussion in 'Model S: Interior & Exterior' started by Patroradio, Mar 23, 2017.

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20" staggered setup. Which size for rear tires?

  1. 275-40-20

    0 vote(s)
    0.0%
  2. 275-35-20

    4 vote(s)
    100.0%
  1. Patroradio

    Patroradio Member

    Joined:
    Oct 12, 2016
    Messages:
    126
    Location:
    Montreal, QC
    I'm about to order summer tires for a 20" staggered setup for Model S.

    Front is a no brainer: 245-40-20.

    Rear is a bit more complicated (we're talking about a 10" rim):

    Tirerack recommends 265-40-20.
    T Sportline recommends 275-40-20.
    These are 2-3% bigger than OEM.

    Others recommend 275-35-20.
    This is almost exactly the same circumference as the OEM setup.
    However, you don't benefit from the higher tire profile (this is one reason to get away from the 21" turbines).

    What would you recommend? Why?
     
  2. High Voltage

    High Voltage Member

    Joined:
    Apr 10, 2019
    Messages:
    7
    Location:
    mass
    That's
    interesting, not one person replied
     
  3. WASD

    WASD Member

    Joined:
    Apr 11, 2019
    Messages:
    15
    Location:
    Culver City
    245/40/20 & 275/35/20 are both around 27.7 which is the stock size for 19" tires and the front 21" tires, rear 21" are 28.3 which falls between 27.7 and 28.7 (275/40/20).

    Personally I wanted to go a size bigger for comfort, which would be 28.7 on both front and back, 245/45 and 275/40. But I'm not sure if that's going to mess with the cars computer or not.
     
  4. dk10438

    dk10438 Member

    Joined:
    Dec 23, 2016
    Messages:
    59
    Location:
    Ranch Palos Verdes
    275/35/20 since it's closest to stock rolling circumference
     

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