Coming equipped to the heavy-duty line of GMC trucks, including the perennially popular new GMC Sierra 2500 HD and GMC Sierra 3500HD, the new 6.6-liter Duramax® turbo diesel engine delivers top flight power.

Capable of churning out up to 445 horsepower and a whopping 910 pound-feet of torque, the new 6.6-liter Duramax® turbo-diesel engine should prove more than powerful enough for any Wilmington, NC driver's needs. In fact, when paired with the legendary Allison® ten-speed automatic transmission, the is powertrain can confidently move towing loads of up to 36,000 pounds. And with that kind of towing power on offer, it's no wonder commercial clients from all over North Carolina trust our diesel-powered GMC trucks year after year.

Even the spacious nine-seater GMC Yukon makes great use of the 3.0-liter Duramax® turbo-diesel engine. Not only can it comfortably accommodate you and your loved ones, but over 8,000 pounds of towing capacity ensures that you're able to bring all your favorite gear on your next family trip.

With the Duramax® line of diesel engines in the powertrain portfolio of many of our newest GMC models, you'll enjoy unparalleled power when it comes to hauling and towing, lower maintenance costs in the long run, and even improved fuel economy when compared to gasoline-powered competitors. So, if you're looking to add a diesel-powered pickup or SUV to your stable, you owe it to yourself to check out our Duramax® lineup here at Bob King Buick GMC.