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  1. #1

    Default 2005 Colorado Tire size question

    Nice forum guys, I used to drive a ford ranger and frequented therangerstation quite a bit and found it to be helpfull over the years. Hopefully I'll have the same experience here.

    I've searched around but haven't found exactly what I'm looking for.

    Here is my question. My colorado is a 2005 4 door with the Z71 package. Right now it has 265 75 15's on it. I am wondering if I can go any bigger without doing any modifications. I just want to go a LITTLE bit bigger, maybe one size. How does say a 31X10.5X15 compare? Any suggestions would sure be appreciated.

  2. #2


    Welcome to the GMTC ! Sorry it took so long to get back with you, some how I missed your post earlier. The 31X10.5x15 is aprox. the same size. The new Z/71s come with 260R70X17s which are close to 32" tall so I would imagine you could go at least that tall. Good luck!

    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  3. #3


    Thanks. How many tire sizes does the Coly come with stock from the factory?

    10 Chevy Traverse LT AWD
    02 Chevy Trailblazer LS (110K+ miles - loaded except for 4WD - WRECKED!)
    99 Chevy Cavalier LS (105K+ miles - commuter car)
    78 Chevy Suburban Silverado (454, 3/4 ton)
    62 GMC 3/4 ton Pickup (350 police interceptor)

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  4. #4


    jd i believe you will find a lot of info at this site, most are friendlt, and imformative, no question is to dumb toask, i have learned a lot here @ my colorado, i truly love the performance of the 5cyl engine, good luck and welcome

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