While the Duramax engine family has been around for a while, only the LBZ can truly claim to be the Holy Grail of GM's heavy ...

The affected trucks were repaired with a brake jumper wire harness devoid of protective tape. Notification letters will be ...

When GM launched new-generation trucks for the model year 2020, the Allison automatic was gone. The trucks still got the badge, but it was a new 10-speed automatic jointly developed by Ford and GM. So ...

From luxury models to electric giants, discover the top 10 heaviest SUVs ever made, with curb weights exceeding 6,000 lbs.

Owners of older General Motors HD trucks may qualify for payouts between $400 and $12,000. The class-action lawsuit claims heavy-duty Chevrolet Silverado and GMC Sierra trucks with the 6.6-liter ...

Details about these two engines are relatively sparse, but a new report from GM Authority claims that the sixth-generation of ...