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

INDIANA – General Motors has announced a new Customer Satisfaction Program (CSP N252508800) for select 2025 GMC Sierra 1500 ...

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, which was held in St. Louis last ...

GM has issued a product safety recall for certain 2017 to 2019 GMC Sierra HD pickup trucks that may have been built with a defective auxiliary fuel pump.

GMC added the AT4 off-road trim to the redesigned 2020 Sierra heavy-duty lineup. We recently took possession of a loaded 2020 Sierra 2500 AT4 crew cab and wondered just how its fuel economy would ...

The GMC Sierra EV is leveling up! Discover how the addition of new trims like the Elevation and AT4, plus more battery options, makes this electric truck significantly better for 2026.

He took his GMC Sierra EV on its first long journey, and despite Tesla's widespread network, it was Electrify America's 350kW ...

Owners of these Chevrolet Silverado and GMC Sierra trucks with Duramax 6.6-liter diesel engines are eligible for a big class action settlement.

Nicer than it’s ever been, the highly capable new 2024 GMC Sierra 2500 Denali Ultimate brings yet another new top trim to the popular line of trucks.

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.

With a great diesel powertrain and huge capabilities, the GMC Sierra 2500HD and 3500HD are workhorses, but they're nonetheless outclassed by Ford and Ram rivals.