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Welcome to AT4forum.com - Introduce yourself!

A fine good morning to all. Picked up a 23 AT4 a week ago. Getting used to parking this monster but it certainly puts a smile on my face. Mods begin on Monday!
 

Hello from Alaska! I have been waiting on delivery for a white AT4 that has been sitting in a lot in Indiana for three months. I gave up and picked this one up in Bellevue, Washington. Should be on a barge headed north later this week!
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I'm not exactly a new guy, been around for a while checking out all the forums. I have a 2022 AT4 that I'm adding a few different mods. Yesterday I sprung for new tires and wheels. I didn't like the 20" stock wheels, so I opted for 17" wheels and larger tires.
I'm a retired plumber and a disabled Vietnam veteran living in Western New York with my wife and service dog.
I've got a question to ask. What do they mean by a "refreshed" truck?
Pictures to follow, after I get my new tires and wheels installed.
I'd also like to buy these towing mirrors (https://boostautoparts.com/products/t1-1500-gmc) that I just happened to stumble on because I was told that there were no aftermarket mirrors available. What a surprise to find these but I can swing them since I just spent a bundle on the tires and wheels. Maybe after my wife gets over the tire and wheel purchase, I can somehow get these mirrors. But I also want to buy the Bilstein adjustable shocks. I might have to get a job just to support my hobbies. :(
 

Cocoabean said:
New GM owner with a 2022 AT4 in Titanium Rush. Mods so far are:
Icon Vehicle Dynamics leveling kit
Icon Compressions 17x8.5 -0 offset
Toyo Open Country ATIII 35x12.5x17

View attachment 2056View attachment 2055
Click to expand...
What a beautiful truck! I just ordered the exact same tires and wheels. It's nice to see how my black 2022 AT4 will look with the new wheels and tires but delivery is not until May 9th. Pictures coming soon.
 

poopster said:
I'm not exactly a new guy, been around for a while checking out all the forums. I have a 2022 AT4 that I'm adding a few different mods. Yesterday I sprung for new tires and wheels. I didn't like the 20" stock wheels, so I opted for 17" wheels and larger tires.
I'm a retired plumber and a disabled Vietnam veteran living in Western New York with my wife and service dog.
I've got a question to ask. What do they mean by a "refreshed" truck?
Pictures to follow, after I get my new tires and wheels installed.
I'd also like to buy these towing mirrors (https://boostautoparts.com/products/t1-1500-gmc) that I just happened to stumble on because I was told that there were no aftermarket mirrors available. What a surprise to find these but I can swing them since I just spent a bundle on the tires and wheels. Maybe after my wife gets over the tire and wheel purchase, I can somehow get these mirrors. But I also want to buy the Bilstein adjustable shocks. I might have to get a job just to support my hobbies. :(
Click to expand...
In late 2022 GMC did a complete redo of the front and interior. So in 2022 some people have the older looking exterior and interior while some people have the same 2022 yr truck but with the new exterior and new interior. i.e. the “refreshed version“ the refreshed version is the exact same truck as 2023 depending on if you get the AEV accessories or not.
 

poopster said:
What a beautiful truck! I just ordered the exact same tires and wheels. It's nice to see how my black 2022 AT4 will look with the new wheels and tires but delivery is not until May 9th. Pictures coming soon.
Click to expand...
How was the fit with the Icon Compressions 17x8.5 -0 offset wheels and Toyo Open Country ATIII 35x12.5x17 tires? Any rubbing or trimming needed? Like I said in my other post, I ordered the exact same setup that you have. Wasn't to sure about the 0mm offset but it looks like it worked for you.
 

Hey everyone

New AT4 diesel owner in North Texas. Picked it up in Feb at Laura GMC in IL, then drove it back. Incredible introductiom to my first truck, coming from a BMW. I love this thing.

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Still in my honeymoon phase, so no real mods planned. Though I do need running boards, since it had every option I wanted except that one.

Also need a tonneau cover of some kind. Though I hear the carbonpro bed makes it a challenge.
 

Hello from Louisiana! This is my first Non-Ram vehicle since 2001. Need an HD truck maybe 6 times a year and most of my trips are short, so picked a gasser.
That being said, Ramforums was very busy. Is there another Sierra forum(s) I should be reading?
 

Last edited:
New to the Forum. Take delivery of my 23 AT4 3.0 tomorrow! It will be my 3rd AT4. I had a ‘20 in the 5.3 then went to a 3.0 in a ‘21. Ready for the refresh and the new interior.

Several plans in the works:
Tint windows
Black out emblems
Blackout exhaust tips
RC AL2 drop steps
Bilstein 5100s all around (1.1 setting in front)
Cognito UCAs ( I bought for my last one but didn’t put them on)
New wheels and tires
 

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