This year has been rough for General Motors, which has been dealing with an investigation, a recall, and multiple lawsuits ...

The 2024 GMC Sierra 1500 debuts several updates and changes over the 2023 model year, including new branding for the turbocharged 2.7L I4 L3B gasoline engine. As GM Authority covered previously, the ...

A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...

The 2024 GMC Sierra HD is the latest iteration of GM’s fancier counterpart to the 2024 Chevrolet Silverado HD. The new model sees the Duramax 6.6-liter turbo-diesel V8 upgraded to 470 horsepower and ...

The 1960s were friendlier times for American motorists. The national average gas price between 1960 and 1962 was only $0.31 per gallon, and there were no EPA regulations to ruin the fun. During this ...

At an event dubbed "AT4Xpedition," GMC recently invited media to live out our collective Yellowstone dreams in the stunning picturesque mountains of Montana. The single drive program included five ...

Now a premium division offering fancied-up Chevrolet trucks and SUVs, GMC was, for many years, a brand focused on commercial workhorses and haulers. GMC and Chevy started sharing platforms and designs ...

Chevrolet hit a home run with the 2023 Colorado and now GMC is doing it with the bases fully loaded. There’s no better way to describe the 2023 GMC Canyon as the truck challenges conventional mid-size ...

V12 engines aren’t anything new, especially in European exotic supercars. When you hear that a vehicle has a V12 engine, you immediately think of brands like Aston Martin, Lamborghini, Ferrari, and ...

When you think of a V12 engine, your mind runs immediately to the high-tech, rev-happy, screamers made by Ferrari and Lamborghini. But did you know that between 1960 and 1965 GMC made a V12 of their ...

This refresh comes with a new midrange engine option, a new standard transmission and the latest generation GMC dashboard tech. Antuan started out in the automotive industry the old-fashioned way, by ...