EXECUTIVE EDITOR ROGER HART: While driving this monster 2011 GMC Sierra 2500HD Denali I kept thinking that this would be an outstanding work truck if you were in a business where you needed the ...

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 ...

The GMC Sierra Denali 2500HD is part of a wave of vehicles that would have seemed oxymoronic not all that long ago: the luxurious heavy duty pickup truck. GMC, Ford, Chevrolet, Dodge, and Nissan all ...

The GMC qualified for this test by nature of its all-new powerplant, a 6.6L Duramax turbodiesel V-8 with a best-in-class (and best-in-test) 445 hp and a stout 910 lb-ft of torque. Although the ...

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 2017 GMC Sierra 2500 Denali HD strikes a monstrous pose thanks to a dominating grille and, with the all-new 6.6L Duramax Diesel engine, you have all the power you need to back it up. This is a ...

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 ...

It has more power under the hood than most big rigs and an interior that’s as refined and quiet as many luxury sedans. Like a heavyweight kickboxer dressed out in a tux, the black 2015 GMC Sierra ...

We often see trucks at events like the SEMA show that are the epitome of “over the top” and utterly crazy. It makes no difference whether it’s the drivetrain, chassis, or paint and graphics, when we ...

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