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Thread: Changing OEM tire size on 2017 CX9 Touring

  1. #1
    Registered Member

    2017 Mazda CX-9 Touring

    Join Date
    May 2018

    Changing OEM tire size on 2017 CX9 Touring

    So. I'm looking to replace the tires on my 2017 CX-9 Touring, but the OEM size is a huge pain to find as not many people seem to make the 255/60r18 tire. There's a few out there, but selection is really limited. So I'm toying with the notion of going up slightly to a 265. Lots more (and better) tires to choose from and only around .5" difference in diameter. I know about speedo/monitoring issues already and can live with that - but my main concern is how tight these guys tend to be in the wheel well. I've scanned the forum and Couldn't find anyone who has asked this question before, but has anyone here done this? I wanna pull the trigger on some nice Michelins that are a great price right now, but want some sort of confirmation before ordering them on tire rack and spending $700.


  2. #2
    Work in Progress sm1ke's Avatar
    Donated: $25

    2018 Mazda CX-9 Signature

    Join Date
    Dec 2016
    MB, Canada
    In this case, I don't think a 1/2" difference is going to make much of a difference. I had a 2008 Lexus IS250 AWD and replaced the stock 17x8 +45 offset wheels and 225/45/17 tires with 18x9.5 wheels and 245/40/18 tires, resulting in an 18.9mm difference in diameter. They did rub the wheel well liners on hard turns, but that was because I had lowered the car a few inches. But hold off and wait for someone more experienced than me to chime in.

  3. #3
    Registered Member colnago1331's Avatar

    Join Date
    Jul 2002
    Columbus, Ohio, USA
    I don't know if clearance will be an issue, however you also need to keep rim width in mind. I believe that the touring rims are 8" wide. I don't know if an 8" wide rim can take a 265 width tire.
    2017 Mazda CX-9 GT AWD 6AT - Crystal Blue Mica *20" OEM Mazda wheels or 19" ASA GT13 wheels *255/50R20 Falken Ziex CT50 tires or 255/55R19 Bridgestone Blizzak DM-V2 tires * WeatherTech FloorLiner Mats * Draw-Tite 2" Hitch Receiver* Thule 460 Podium Feet w/ 50" Crossbars* Thule Force L Cargo Box


    1986 Audi Coupe GT 5MT (the Winter Beater) | 2001 Saab 9-3 SE Convertible 5MT (the Summer Beater) | 2015 Acura MDX Advance (the Mrs.' Car)


    2015 Mazda CX-9 Touring AWD 6AT | 2014 Mazda6 i Touring 6MT | 2010 Mazda3 S 6MT | 2007 Mazda RX-8 GT 6MT | 2008 Mazda Miata Touring PRHT 6MT | 2006 Mazda Miata Sport 5MT | 2003 Mazda MPV ES 5AT | 2001 Mazda Protege5 5MT | 1999 Mazda Miata 5MT

  4. #4
    Registered Member

    2017 Mazda CX-9 Touring

    Join Date
    May 2018
    Thanks for the input. Gonna take it in tomorrow and get a 265 mounted and check it out.

  5. #5
    Registered Member

    Mazda CX-9 Grand Touring 2016

    Join Date
    Sep 2016
    Washington, the state
    324 lists 8 tires in your size, and they don't stock all brands. They do list exactly ONE tire in 265/60-18.

    Take a close look at the Pirelli Scorpion Verde all season or the Continental Crosscontact LX Sport. Either should do a fine job.

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