I personally did not go with the 285's because of the width of them. 285/75/16's are basically a 33x12.50 and that is an awfuly wide amount of tire (25" total) pushing against that snow. I had the splines blow out on the front driveshaft of my old 88 full size jimmy one time when i was on a trail with only 2" of softer snow and i had one hell of a time trying to make it back to pavement. That is the main reason why i went with 255/85/16's , they are the same height, just not as wide. They are narrower by approx 2" each per tire so 4" total width and sometimes that makes all the difference in the world imo. Some people say that wider is better in certain situations, but i say in those few situations ya just put your foot into it a bit more lol. Sometimes nothing makes up for wheel speed

When i do get new tires if i do go oversized again , they will be the 255's.
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2007 Avalanche LT. **

6" Pro Comp lift
305/55/20 BFG A/T KO'S
K&N FIPK GEN
II
Flo Pro V force muffler & 4" slash cut stainless tips
Color matched front and rear Bowties
3" polished stainless bull bar and Nerf bars