Shop diesel 2023 GMC Sierra 1500s for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 753 diesel 2023 GMC Sierra 1500s nationwide.

In a similar fashion to the Silverado 1500 ZR2 for the 2024 model year, the Sierra 1500 AT4X is getting a diesel engine in the form of the 3.0-liter Duramax. Optional in the ZR2, the inline-six turbo ...

Trucks used to be pretty easy. You bought a GMC because it was nicer than the others. Powertrain choice was about what your plans were with the truck. Now it’s ... Well, still easy. It just looks ...

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