Largest tire on stock 18" Z71

[Toona]

i just got a 2017 z71 Tahoe and want to add an aggressive all terrain tire for ranch use. What is the largest I can go on the stock 18s?

Eventually I'll level it

 

[MichaelSE]

285/65/18 will cut it close stock but should fit since K2XX have slightly larger wheelwells than NNBS. 275/70/18 should fit with a 2 or 2.5" level.

 

[Darkie]

305 60 18 fits fine on my 2016 Yukon


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[NowZoomer]

I'm going off my ESV but without a front level, I couldn't fit more than the stock 275/55/20

With a front 1.5" I can get to 275/60/20

Use this calculator to figure out what that means for a 18" wheel - http://www.1010tires.com/Tools/Tire-Size-Calculator

 

[Darkie]

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