Those who stick with the GMC's standard gas-fed V-8 should expect to see even worse fuel economy than with the diesel option. Inside, the Sierra 2500HD and 3500HD have a huge dashboard that hosts ...

GMC Sierra HD pickups can pull a titanic amount of weight, but their Herculean efforts don't stop there. These big-power workhorses clean up pretty well, too, offering shiny chrome exterior bits ...

Please use care in your use of the information provided. How much horsepower and torque does a 2025 GMC Sierra 3500HD Pro Regular Cab Long Box have? The 2025 GMC Sierra 3500HD Pro Regular Cab Long ...

Please use care in your use of the information provided. How much horsepower and torque does a 2024 GMC Sierra 3500HD SLE 4WD Regular Cab Long Box have? The 2024 GMC Sierra 3500HD SLE 4WD Regular ...

Not available with (ZW9) pickup box delete.) Graphite Blue Metallic Edition The stunning Graphite Blue Metallic Edition is a special Sierra 3500HD. It includes Graphite Blue Metallic exterior ...

GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot ...