Welcome to AT4forum.com - Introduce yourself!

SDGRAINMAN said:

From a F-150 to the AT4 1500. Dealer drop Yesterday and will pick up Friday 06.18.2021. The 6.2 better be good.

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JksnVly said:

My Duramax arrived Friday and I’ll pick it up Monday. First ever GMC, was a longtime F-150 owner.

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Clifton Browning said:

Back in Feb we gladly traded in our 5.0 F150 for this beauty. 2021 AT4 Carbon Pro 3.0 . We love it and couldn't be happier. We added a tonneau and GMC steps. View attachment 133

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JksnVly said:

Traded my F-150 Eco for this one. Amazing how many fords were at dealershipView attachment 136, replaced by GMC’s.

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Jensen0266 said:

Traded in my 2014 Silverado for the 2021 AT4 6.2 liter two weeks ago. I love this truck

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fngmoto said:

Hello everyone, this is my first ever GMC and only my second truck, had a 19 Tundra I traded in. The Sierra is my dream vehicle, I've always wanted one and now I got it. Picked it up yesterday and I'm really excited. Looking forward to learning about the truck and putting my spin on it.

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TDCAT41 said:

Hello all and thanks for letting me join.
Live in NC and work for GM Defense
Got my first GMC and LOVE it!!! (picked it up 6/7/21)
21 AT4 with 6.2
Did a few little upgrades before she even had 200 miles on it. LOL

Drove down to FL and back and got an average 17.8 mpg and best 21.7 mpg (around 1300 mile round trip) and I'm heavy on the throttle. Was very pleased.
She's a lot quicker than I thought it would be.. and very comfortable.

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Regular Cab Duallies said:

Welcome! Great color choice and nice licence plate covering

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