Sierra 2500 represents the sixth model year of the fourth-gen GMC Sierra HD. Here's everything that's new and different about ...

The enhanced 6.6L Duramax Turbo-Diesel engine ... on long road trips. The 2025 GMC Sierra HD 2500 Denali Ultimate bridges the ...

Gasoline engine power came from a 6.0-liter V-8 and 8.1-liter V-8 from the Vortec family while diesel ... truck range. Operating with a maximum payload capacity of 4,058 pounds, up to 12,000 pounds ...

Showing the 2006 GMC Sierra 2500 Reg Cab 133" WB 2WD Work Truck 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Wondering which trim is right for you? Our 2006 GMC Sierra 2500 trim comparison ...

We bought our GMC 2500 HD gas 6.0L extended cab last spring to ... We get about 8 MPG towing and 17 empty in rural areas. No doubt the diesel would haul better and get better MPG, but for an ...

Please use care in your use of the information provided. How much horsepower and torque does a 2025 GMC Sierra 2500HD Pro Regular Cab Long Box have? The 2025 GMC Sierra 2500HD Pro Regular Cab Long ...

For 2017, the GMC Sierra 2500HD and 3500HD are now offered with a more potent Duramax 6.6-liter turbocharged diesel engine. The upgraded diesel ... The most significant introduction for the GMC ...

First Take General Motors has redesigned its large 2500HD truck line for 2020 ... In any parlance, we can tell you that these GMC and Chevrolet behemoths are bigger and tougher than ever.