The L5P and LBZ are considered two of General Motors' best Duramax diesel engines, but each comes with its own strengths and ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

Of the three United States automakers that offer diesel-powered heavy-duty pickup trucks, only two of those diesel engines are V8s. Those V8 diesel engines are the 6.6 Duramax found in offerings from ...

More often than not all you hear in media is a truck's maximum towing capability. But what about those people that don't need to tow a barn, or two. There are quite a few people that tow large bumper ...

GM Authority is taking a closer look at the 2026 GMC Sierra HD payload capacities, including all of the different ...