GM Authority has exclusive video of a peculiar GMC Sierra HD prototype testing what may be a brand-new gasoline-fueled V8 ...
The engine mix for the 2026 Chevy Silverado HD varies quite a bit by trim level, with some trim levels heavily favoring one ...
Front 3/4 view of Chevrolet Silverado 3500 HD chassis-cab truck with utility body - Jonathan Weiss/Shutterstock Chevrolet and its kissing cousin, GMC, are having a problem with some of their ...
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