Not many diesel truck owners would switch to an electric Sierra EV, but after towing his 10,000-pound boat, this driver’s ...

A Blue Alert has been issued for Dennis, who was last seen wearing all black clothing and may be driving a gray 2012 GMC ...

Road conditions were dry. Alcohol and drugs are suspected causes in the crash, the Montana Highway Patrol said.

Before the GMC Sierra was its own model, it designated trim levels. Here's the history of Sierra Grande, High Sierra, and ...