In our pros and cons review of the 2020 GMC Sierra, we wrote that between the new 3.0-liter Duramax diesel inline ... 2020 GMC Sierra AT4: The off-road version of the Sierra pickup tops off ...

Plus a new name for 2.7-liter turbo four, louder exhaust for the 6.2-liter V-8, and a pair of new colors and wheels.

I have a 2021 GMC Sierra 1500 AT4 with a 3.0 Duramax. I have had problems since the first month I bought the truck! They started out small, sensors and emissions, but recently, turned into a $ ...

Prequalify now It only takes a few minutes and won't affect your credit. Waiting for the Refreshed 2022 AT4 was well worth it! With all the manufacturing issues today, building and shipping was ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

The impact is like being hit full force from the rear. For comparison: the GMC Sierra EV, with a Max Power mode, needs 4.5 seconds to hit 60—way longer, even though it shares some hardware with ...

495 lb-ft of diesel torque, more than 500 miles of range, and two locking differentials make this truck an overlander’s dream ...