This specific truck is a development vehicle used internally, but is current on all computer-programming updates and is powered by an early-build Duramax. And while the badges say 3500HD ...

GM’s announcements of the 2020 Silverado HD and 2020 Sierra HD has reignited the topic of heavy duty pickup trucks. Since the introduction, we’ve received several letters asking about ...

The Sierra 3500HD is the largest, strongest GMC truck you can buy, standing above the 2500HD, Sierra 1500, Canyon, and the upcoming Hummer EV. It was fully redesigned last year and adds a healthy ...

GMC's latest pickup will tow where no GMC pickup has towed before. The 2024 GMC Sierra 2500HD AT4X is a new, high-performance off-road version of the heavy-duty model. The AT4X is engineered to ...

There are 2 recalls on this vehicle. Learn More. This has become a season for heavy-duty trucks, with GMC revealing its upcoming 2024 Sierra HD, right on the heels of the unveils for the related ...

As announced earlier today, The Sierra HD is the GMC flavor of GM's heavy-duty truck line that's been a thorn in Ford and Ram's side since time immemorial. But even without comparing the Sierra HD ...

GMC on Thursday unveiled the 2024 GMC Sierra HD. Not only does it pick up a new top-level trim, but this heavy-duty truck also carries a number of updates to its aesthetics, powertrain and cabin tech.

Meanwhile, we can't forget what the silver Sierra HD AT4X AEV Extreme Edition pulled into Camp Canyon. The mystery truck above, per the GMC engineers at the camp, is a Canyon, but that's all they ...