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

For decades now, the big three American automakers have been engaged in a game of one-upmanship over which company can fit the most powerful and torquiest diesel engines in their trucks. And, just as ...

First arriving as a replacement for the 6.6L LML V8, the turbo-diesel 6.6L L5P V8 Duramax engine is an extremely robust and capable powerplant, producing upwards of 445 horsepower at 2,800 rpm and 910 ...

One of the most common questions Chevy Silverado HD buyers ask is whether the optional Duramax engine is worth the premium. Now, we're diving into the specs.

General Motors first introduced the 6.6L Duramax V-8 diesel engine for its ’01 Chevrolet and GMC light trucks. GM cooperatively designed and built the engine with Isuzu to replace the 6.5L oil-burner ...

Late last week, General Motors announced it had built its two millionth Duramax engine, an L5P unit bound for either a 2017 Chevrolet Silverado HD or GMC Sierra HD. The L5P, which was recently ...