Diesel exhaust fluid (DEF) is nothing new. GM’s Duramax-powered Chevrolet Silverado and GMC Sierra 2500HD and 3500HD pickups have had used the stuff since 2011. So has Ford’s F-Series Super Duty.

The Iconic 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. Duramax. It's a name that truck enthusiasts instantly associate with Chevrolet and GMC heavy-duty ...

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...

Diesel engines are something of a mystery to many drivers, especially in North America where gasoline is the king of motoring fuels. Of course compression-ignition has a host of benefits compared to ...

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.

Opting for a Duramax diesel engine in a new GM SUV or truck is a great choice for those customers that want both torque and efficiency, and now, GM is detailing a few simple maintenance tips to keep ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

A popular argument in the heavy-duty pick-up truck segment - where big names like the Ford F-250 Super Duty and Chevrolet Silverado 2500HD do battle - is Cummins versus Duramax, and who reigns supreme ...