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 ...

Kenworth medium-duty trucks are getting several updates, including the Cummins B6.7 Octane gas engine, LED lighting, and a ...

The first Duramax diesel engines were introduced in Chevrolet and GMC trucks in 2001 ... Technical specifications for Chevrolet’s new medium-duty truck, including cab and frame dimensions ...

GMC also offers medium-duty trucks, vans and chassis-cab vehicles. Back in 1908, the newly established General Motors purchased the Rapid Motor Vehicle company, who had created their first truck ...