The 2027 Corvette Grand Sport has been officially introduced in Mexico in a single, well-equipped configuration that includes the Launch Edition package.

GM will invest CA$215 million in its St. Catharines Propulsion Plant in Ontario to produce next-generation transmissions, with plans to launch in late 2029.

For those buyers that prefer a more uniform look, Big Red will once again offer the next-gen 2027 GMC Sierra with a trio of body-color wheel arch moldings.

The 2027 Buick Encore GX drops six paint colors and its Black Roof Package, leaving just three exterior hues for the new ...

Cadillac F1 driver Sergio Pérez says he's staying with the team for a while yet, and fully plans on fulfilling his contract with GM.

We're watching this classic 1960 Cadillac Series 62 Coupe get a full detailing, revealing an absolutely gorgeous machine ...

The 2027 Chevy Trailblazer will offer a slightly shorter exterior color list, GM Authority has learned. Check out details on the upcoming 2027 Trailblazer.

A new drag racing video illustrates the powertrain differences between the twin-turbo C8 Corvette ZR1 and the hybrid C8 ...

SAIC-GM’s future compact NEV sedan, possibly called the Buick Electra L5, will adopt the brand’s latest design language first ...

Buyers looking to combine the affordable 2027 Chevy Silverado WT trim with a diesel engine won't have total freedom when it comes to the body configuration.

A low-mile 1981 Chevy Malibu with a 3.8L V6, long-term ownership, and clean history sold for $8,000 after its Bring a Trailer auction.

The future of the GM CAMI plant in Ontario, Canada remains uncertain, despite union members recently voting to ratify a new labor contract with the automaker.