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  1. #1

    Default Plus Sizing the 265-65-18 tire - options??

    I have the 2009 Sierra wheel that came on the all-terrain package....and it's an 18" wheel. Love the wheel! Time for new tires. Should I just stick with the factory size, or look to maybe plus size it?? Was thinking maybe 275-65-18? Didn't want to drop the side wall lower than a 65 series. The Bridgestone dealer suggested going to a 265-70-18....but that's like 3/4 inch taller and no wider...but for some reason that size is almost $100 cheaper on 4 tires compared to the stock size.

    Thanks in advance for your input.

  2. #2
    Legend Bigbomber's Avatar
    Join Date
    Feb 2010


    I'm with you and like the wider tire ,go with the 275/65/18 tires.
    [/SIGPIC]2009 Chevy Silverado LT 1500 EXT CAB 4X4 Vortec 4.8L SFI,K&N air filter,Weathertech Floor Liners ,Weathertech Stone/Bug Deflector, Line X Spray On Bedliner, TruXport Rollup Tonneau Cover, Molded Mudguards, Viper 5701 LE 2 way Security Alarm/Remote Starter, Xm Satelite Radio,BILSTEIN 5100 rear shocks,BILSTEIN 5100 front levelling shocks,READYLIFT 2" rear lift blocks,Goodyear Wrangler Territorys -265/70R 17"

  3. #3


    I bumped mine up to the 305 series of Goodyear Silent Armor with Kevlar sidewalls.

    Check out the plus size chart at Discount Tires web site:

    Click image for larger version. 

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