Did a search and it didnt come up with a decent answer. Anyway got a 2010 4x4 SCREW Chrome package with chrome clad wheels 18" stock tires. I am going to get some nicer wheels probably something in the ATX line and better tires sticking with stock size.

I was thinking that since I am going to buy all new and looking at some pics of 20's on trucks they look kind of nice. I will stay with the same tire dimensions just 20's vs 18's.

Anyone swap wheel sizes, how did go any differences in mileage etc....

This truck is basically a tar baby.

 

20s look great on these trucks. No real noticeable difference, but the road handling may feel firmer and the ride overall will lose a little of that soft plushy squish feel due to smaller side wall.