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.

From hauling payload to towing trailers, pickups are the workhorses of the automotive world. Trucks are built to do work—it’s one of their core functions—and off-road-focused models aren’t immune.

The 2025 Chevrolet Silverado 1500 Crew ZR2 4WD light-duty, full-size pickup is designed for work, play, and casual driving. My tester was powered by a Duramax, 3.0-liter, turbo-diesel inline six ...

General Motors has long been a name associated with producing powerful cars, trucks, and SUVs. But since 2000, GM's diesel power has pretty much been personified in the turbo-charged Duramax diesel ...

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 ...

High Country or ZR2? See how the 2026 Silverado 1500 trims compare for premium comfort vs rugged terrain mastery. We pit the top Chevy Silverado 1500 trims head-to-head. The High Country emphasizes ...

With 495 lb-ft of diesel torque on tap, the Duramax-powered Silverado 1500 ZR2 shows its versatility while towing. From hauling payload to towing trailers, pickups are the workhorses of the automotive ...