Next year, heavy-duty GM trucks will lose their Allison badges, even though the transmissions themselves won't change.

A licensing agreement between General Motors and Allison Transmissions is set to expire at the end of the year, and any ...

The heavy duty (HD) truck market looks a lot like the regular full-size truck market in that the main players, Ford, GM and Ram, are the same. It's hard to tell which is the most popular considering ...

My first drive in the 2025 GMC Sierra 2500 HD Denali Ultimate: a deep dive into its plush interior, tech features and ...

The GMC Sierra HD AT4X is an impressive truck. On an hour-long loop around the XOverland Ranch in Montana, I took one through slick sand, down a 29-degree loose shale descent, and over sandy hills.

General Motors has expanded its recall for heavy-duty Chevrolet Silverado and GMC Sierra pickup trucks due to an issue with tailgates potentially opening unexpectedly. The latest recall adds another ...

GMC's latest pickup will tow where no GMC pickup has towed before. The 2024 GMC Sierra 2500HD AT4X is a new, high-performance off-road version of the heavy-duty model. The AT4X is engineered to handle ...

Sometimes I like to daydream about what vehicle would make the best end-of-times vehicle, the one that could power me through hell and high water to come out unscathed on the other side. Obviously, ...