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

The L5P Duramax diesel V8 is what powers heavy-duty work trucks like the 2025 Chevy Silverado 2500 HD and is an amazing powerhouse. It didn't exactly start off that way back in 1984 when GM first ...

The Duramax V8 L5P has a displacement of 6.6 liters, which is slightly smaller than the 6.7L engines offered by Ford and Ram. Despite this, the L5P delivers 470 horsepower at 2,800 rpm, making it ...

General Motors' Duramax engine is one of the most legendary diesel engines, next to Ford's Power Stroke and the Cummins ...

Customers that own a Chevy Silverado or GMC Sierra with the 6.6L V8 L5P turbodiesel Duramax engine under the hood can upgrade with a substantial power boost via The Pulsar V3 module from Edge, as ...