Yorch Glez ditched his Chevy Silverado 5.3L V8 for the Silverado 3.0L Duramax and regrets it! He's considering going back. Is ...

For those buyers out there who still want a diesel-powered unit of the Cadillac Escalade luxury SUV, three new units are on ...

Having worked through the data, we may have just found the most reliable diesel engine going into 2026. As it stands, there ...

After more than two decades working together, General Motors and Allison Transmission are officially splitting up.

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

When GM launched new-generation trucks for the model year 2020, the Allison automatic was gone. The trucks still got the badge, but it was a new 10-speed automatic jointly developed by Ford and GM. So ...

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

A bona fide supercar, this incredibly fast coupe and convertible was powered by a General Motors diesel truck engine and ...

Similar to its predecessor, the SX 2.0 utilizes a Chevrolet 6500HD heavy-duty truck frame as its starting point. EarthRoamer then fits its opulent bed camper behind the truck’s Crew Cab, which ...