18" AT4 Wheels

HCO41

New member
Dec 6, 2020
15
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FYI, My 2021 LTZ came with 20" wheels that I didn't really care for. Also I like a little more side wall for ride comfort. I wanted to go for "stock GM wheels with the correct offset and tire diameter. I like the GMC AT4 wheels and was able to pick up a near mint set at a reasonable price. I went with a 265/70-18, 32.6" dia. Continental all-season highway tread that is the closest to the 33" 20's. I changed the center caps to bow ties.
 

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My RST has the 265/65-18s on it. I was thinking about bumping up to a 265/70-18 myself. Thanks for posting. I am still torn between an AT tire vs HT tire. I don’t want a bunch of road noise and don’t want to sacrifice fuel economy…so might have to stick with HT
 
Very nice, I've considered posting up to swap for some 18s for my 20s. They look great and ride smooth, but zero use off-road. If anyone upgrades and has some stock 18" take offs let me know~
 
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