Sierra Denali HD Leads New 2011 Sierra Heavy-Duty Trucks


Today, GMC announces the new 2011 Sierra Denali HD series heavy duty trucks. It is the first offering of the exclusive Denali line on a heavy-duty GMC pickup, which is the redesign of the of 2011 Sierra 2500HD and 3500HD trucks that will go on sale in the beginning of this summer.

In the diesel segment trucks, the new 2011 Sierra HD’s new 6.6L Duramax turbo diesel delivers 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600 rpm. It is considered to be the most powerful diesel engine in the heavy-duty truck segment.

“The new Sierra Denali HD is the latest expression of GMC’s Denali philosophy of blending capability with premium features and styling,” said Lisa Hutchinson, GMC product marketing director. “It is a premium tool that offers many comfort and infotainment features, along with a maximum towing capacity of 15,600 pounds with the segment’s most powerful diesel – that’s enough to tow a 34-foot-long, three-axle travel trailer.”

In the gas version, the Sierra Denali HD truck comes exclusively on the 2500HD chassis, in a 4WD crew cab standard box configuration. A Vortec 6.0L gas V-8/six-speed automatic powertrain is standard and the new Duramax 6.6L turbo diesel/Allison 1000 six-speed transmission powertrain is available.