Tire-Rim Size

[JAT4]

Hey everyone- I am patiently waiting for my 2021 Sierra AT4 to be built, and I have no one other than the Governor of Michigan for this lame delay. I am going to put after market tire/rims on the truck and just curious to see if anyone knows the largest tire size for a standard 2021 model? I am leaning towards 20" rims however I do like more of a tire look than rim. What is the best solution to have "Zero" rub?

Suggestions on lifting? Is this necessary to have no rub?

Pictures/suggestions/comments/links or any other advice would be greatly appreciated!

Thank you,
JR

 

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[Joshua.later21]

I think a 33’ tire is the max you can go without rubbing on the wheel wells. I am going to be running 35’s with a Mazzulla upper control arms and the king coil overs to give it another inch lift and will probably have to do some trimming to get them to not rub