The concept of diesel performance used to be a contradiction. It often involved bolting an expensive aftermarket turbo system onto a heavy truck barely capable of getting out of its own black cloud.

Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...

When choosing the right truck for you, what's under the hood determines many factors. Horsepower, torque, towing capacity, and fuel economy are just a few of the considerations that differentiate one ...