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 ...

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, ...

GMC Sierra owner David Tidwell ditches his 3.0L Duramax for a 2026 Ram 1500 after "imploding" engines and thrust bearing ...

The GMC Yukon blends luxury and capability in a full-size SUV package, and equipped with the Duramax diesel engine, it’s one of the most fuel-efficient vehicles in its segment. However, a recall has ...

Duramax diesel engines are built for power and longevity, but only if you give them the care they deserve. From oil changes to fuel filter swaps, sticking to the right service intervals can mean the ...

Owners of specific GM models with Duramax diesel engines are in line to be reimbursed after a settlement was preliminarily approved. As is often the case with class action settlements like this, the ...

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 ...

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 ...