Wheels on 2013?

[Baddawg]

Hey y'all, new guy here, full of dumb questions.
Just got a 2013 Tahoe 4x4, stock 17" wheels.
I've got a chance to check some 20" wheels tomorrow.
Wheels should be 6 X 139.7 or 5.5 , yes?
What offset would be best to use?

Thanks!

 

[Jaytizzle]

It's the same bolt pattern.

As for offset, i'm running a +25 on a 24" wheel but I was running a +18 with 20's.

Here's my Tahoe with my old wheel set up...20x9 with a +18, 275/55/20 BFG K02