A truck brand based around professional grade performance, the 2006 GMC Sierra 2500HD receives strengthened diesel power. The Duramax 6.6-liter turbocharged diesel engine is radically upgraded for ...

It uses far less fuel than an equivalent gas engine would have used ... 1500 with the Duramax 3.0L turbo-diesel is, for all ...

An electronically controlled, ultra-high-pressure, common-rail fuel system is used ... the 6.6L V-8 Duramax diesel sold in full-size vans, heavy duty pickups and medium duty trucks in the U.S ...

The 6.6L Duramax diesel engine has made an appearance in the Chevrolet Silverado and the GMC Sierra over the years, and both of these models continue to be popular choices for new and used truck ...

In a market that's evolving toward "world" models and lighter builds, the GMC Savana vans keep their body-on-frame design oriented for the U.S. market, with better towing capacity than most of the ...

Two brand-new 2025 trucks battle for the win. Which one is a better choice: the half-ton GMC Sierra or the heavy-duty Chevrolet Silverado? A fuel-efficient 3.0-liter Duramax or a 6.6-liter Duramax V8?