In April 2026, GMC Sierra HD offers include low-interest, long-term financing, plus $1,000 off both 2500 HD and 3500 HD ...

Few engines have enjoyed as long a reign as this popular diesel.

But the bigger story is what’s changing inside the cabin. Apparently, the 2027 Silverado High Country will finally get a ...

GM's mass-market diesel engine has seen many variations, but these three stand out as the best.

Late last year, GM Authority reported that the new engine family would be built in two versions for trucks and SUVs like the ...

Driving a GMC Sierra 1,200 miles across the Southwest reveals a surprising trap: it’s so comfortable you might forget to stay ...

General Motors announced DMAX, with plants in Brookville and Moraine, recently reached a milestone, along with the GM Flint, ...

The Big Block motor that spearheaded the muscle car era. We dive into the details behind this impressive engine and its ...

GENESEE COUNTY, MI – A new Mediterranean restaurant that recently opened in Davison is offering a variety of Middle Eastern ...

General Motors will increase production of its heavy-duty trucks in Michigan to meet strong demand for gas-powered pickups despite higher fuel prices. The Flint Assembly plant will operate six days a ...

The 2027 Chevy Silverado is just over the horizon, set to deliver a long list of critical changes with the debut of a new generation. Naturally, GM Authority has covered everything there’s to know, ...