Cooper discoverer at3 P275/55R20 117T bsw all-season tire Fits: 2014-18 Chevrolet Silverado 1500 High Country, 2011-18 GMC Sierra 1500 Denali

from Rob S

I have these on my 2023 LR Defender SE and I love them. Currently I have 12000+ miles on them. I do mild off roading and I drive a lot of un-maintained roads, both dirt and gravel. I wanted a tire that gave me off road traction and still maintained a solid on road ride. The AT3 4S is quiet, comfo...

from Steve

This is my second set—we put over 50k miles in our first. Blue Ridge mountain rocks, Uwharrie clay, Italian Alps, Spanish Pyrenees, and Moroccan mountains/desert. Great performance and durability.

from Perry

Running these on my 2018 Silverado 1500 (265 / 70 / 17). Surprisingly deep tread in person, smooth driving, very very low road noise if any at all. Good traction in the first snow. Long term we will see, but for now I would definitely buy again.

from Capt Billy

I put the AT3 LT on my 2021 GMC 4X4 and they are quiet and good looking. The AT3 LT's ride a little harder then my Good Years that come with the truck but they were not LT's and not much of a off-road tire. I only have about 3000 mile on the them. When I first put then on I could feel the tires ...

from Jim

I had them on my 2014 as winters and then moved them over to my 2019 until 2023 ..... the tread was fine but rubber was never intended to last that long :) Great on snow, ice, freezing rain, mud and gravel or anything Canadian winter has to offer up !