a powerful and capable truck is what springs to mind when they think of GMC's lineup. However, while this manufacturer has plenty of high performance vehicles designed for heavy-duty workloads ...

the first offering of the exclusive Denali line on a heavy-duty GMC pickup. The Sierra Denali HD leads a comprehensively redesigned lineup of 2011 Sierra 2500HD and 3500HD trucks that go on sale ...

During this time, American legacy automaker General Motors debuted its monstrous 11.5-liter V12 engine for heavy-duty trucks ... was found in fire trucks, particularly the GMC 7000-series fire ...

It wasn't even used in a passenger car. Instead, the Twin Six pulled its weight under the hoods of GMC medium and heavy-duty trucks. We've dedicated this write-up to the GMC Twin Six due to it ...