A perennial competitor to Ford's Power Stroke V8 and Ram's Cummins turbo diesel inline six-cylinder engines, the 6.6-liter Duramax is one of the most popular diesel powertrains for heavy-duty trucks, ...

We may receive a commission on purchases made from links. The Duramax namesake has been alive for over 20 years and has been offered in 12 different variations. While there are some newer engines in ...

The Duramax diesel engine has seen quite a few changes over the years. Here's what separates some of the most popular ...

The Environmental Protection Agency has yet to release its official highway, city and combined fuel economy ratings for the 2020 GMC Sierra 2500HD with the 6.6-liter L5P Duramax diesel V8 engine, but ...

When the LLY Duramax V8 debuted midway through the 2004 model year, it had an SAE-certified output rating of 310 horsepower and 520 pound-feet of torque, with the latter growing by 85 to 605 pounds of ...

Daily use, decent fuel economy, and the ability to carry big payloads and tow hefty trailers are the primary considerations that prompt most truck buyers to choose diesel pickups over their ...