General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...
A new service bulletin reveals a frustrating defect affecting certain heavy-duty GM pickups. Here is why drivers are stalling with gas in the tank.
According to sources familiar with the matter, the forthcoming Gen 6 Small Block V8 powerplant may be offered in two distinct displacements, including 5.7 liters and 6.6 liters, providing a few ...
More capable than the Sierra 1500 but less burly than the Sierra 3500HD with its available dual rear wheels, the 2026 GMC Sierra 2500HD offers impressive, work-ready capability along with appealing ...
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