The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how ...

The 6.6 Duramax and 6.7 Power Stroke are two engines powering some of the most well-known pickups in the country, but how do ...

The Duramax diesel is a series of diesel engines manufactured by General Motors. Here's a breakdown of the generations over the years.

The Duramax engine was revamped for the 2023 model year, which saw the original LM2-code engine replaced by the more powerful ...

A little over 70,000 units of the 2022 GMC Sierra 1500 were produced with iffy chrome front grille deflectors that may detach ...

The 2024 GMC Sierra 2500HD has done just that by pumping the power of its 6.6-liter Duramax turbo-diesel up to 470 horsepower and 975 lb-ft of torque, which gives its Crew Cab configuration a best ...

GMC Sierra 2500 HD Crew Cab Pro 4x4 features the long bed configuration and has just 284 miles on its 6.6-liter V8 engine ...

GMC Sierra HD pickups can pull a titanic amount ... while an available 470-hp Duramax turbo-diesel V-8 with 10-speed automatic transmission is a prerequisite for the Sierra HD's 22,500 pounds ...

More on the Sierra 2500HD GMC Sierra HD AT4X ... Oh, and tack on another $9490 for the Duramax diesel. It might seem ridiculous to think of a $104K heavy-duty pickup clambering through the ...

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 engine paired with the 2017 Sierra HD generates 445 ...