GMC rolled out its 2011 Sierra HD (2500/3500 Series) heavy-duty pickup trucks last week at a news conference at the FCCC booth on the floor of The Work Truck Show, ...

GM has issued a product safety recall for certain units of the 2017 to 2019 GMC Sierra HD pickup truck motivated by the 6.6L V8 L5P turbodiesel Duramax engine, and fitted with the dual fuel tank ...

A 3500HD owner didn’t just trade diesel for electric, as he built a solar-powered setup so efficient that it’s turning the ...

Over a total of 208.1 miles, the Sierra consumed 10.453 gallons of diesel fuel. This averaged to a calculated 19.91 mpg combined. The truck’s trip computer was a bit more conservative, telling ...

Aftermarket fuel systems supplier Aeromotive has unveiled a drop-in high capacity fuel pump for the 2005 to 2018 model year Chevy Silverado and GMC Sierra 1500.

2020 GMC Sierra 1500 Duramax | Cars.com illustration by Paul Dolan. During our first drive of the 2020 Chevrolet Silverado 1500 with the Duramax 3.0-liter diesel, our fuel economy results were ...

Don't let the top-of-the-line Denali trim fool you, the 2022 GMC Sierra HD is more workhorse than show pony. ... Fuel Economy and Real-World MPG. ... 2020 GMC Sierra 2500 Denali 4WD Crew Cab.

I f you have a Duramax diesel engine under the hood of your Chevy or GMC truck, you might be able to get some cash from the folks at General Motors. GMC Sierra and Chevrolet Silverado models that ...