GM is elbows deep in development of the next-gen 2027 GMC Sierra 1500, and GM Authority has captured its closest look yet at the upcoming full-size pickup.
Before the GMC Sierra was its own model, it designated trim levels. Here's the history of Sierra Grande, High Sierra, and ...
Is the Chevy big block "rat" engine related to the "Mighty Mouse"? How about the "porcupine" or the "elephant"? We uncover a ...
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