GM Authority is taking a closer look at all of the available 2026 GMC Sierra HD interior colors, highlighting the different ...

N/A – Not available. HVEH, H2X – GM RPO code for the interior color combination in question. GM Authority strives to provide accurate and up-to-date information about the vehicles and features in ...

Competes with: Chevrolet Silverado 2500/3500, Ford Super Duty, Ram 2500/3500 Looks like: A lightly restyled version of the outgoing Sierra 2500/3500 Drivetrains: 401-horsepower, 6.6-liter V-8 or ...

Fresh off last month’s showing of the updated 2022 Chevy Silverado, GMC is also polishing up its flagship Sierra pickup with a much-anticipated mid-cycle refresh. The tech-focused update adds a myriad ...