The new-for-2017 Chevrolet Silverado 2500HD and GMC Sierra 2500HD will use the fifth generation of GM’s Duramax, a 6.6-liter V8 diesel producing 445 hp and 910 lb-ft of torque. The new-for-2017 ...

If you like big trucks, or you tow a heavy load, I have one for you this week you'll love: The 2025 GMC Sierra 2500 Denali Ultimate, one of the biggest, baddest trucks GMC offers. It is an amazing ...

The biggest difference between the GMC Sierra 2500HD and Chevrolet Silverado 2500HD is exterior styling. Unlike the light-duty trucks, these share a bit more sheetmetal in common. However, front and ...

This is the latest project truck for 8-Lug magazine. You may have been following the tech articles in the last couple of issues (and even in this issue). I began customizing my '04 GMC Sierra 2500HD ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...

Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Growing up, Mark always had a mind for tinkering on random items throughout his home and dad’s garage, including a 1953 Ford Mainline and ...

The 2010 GMC Sierra 2500HD is a heavy-duty pickup truck designed to deliver robust performance, impressive towing capabilities, and rugged styling. Positioned as a workhorse in the GMC lineup, the ...

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The GMC Sierra 2500HD keeps one of America's greatest traditions alive and well: big trucks. The sheer dimensions and weight of one of these full-size pickups will make Prius drivers cower in fear.