Wed 10 Mar 2010
New 2011 GMC Sierra Heavy-Duty Trucks Deliver Best-in-Class Diesel Torque and Horsepower World Auto News
By kleo. Auto News , GMC No Comments• New 6.6L Duramax turbo diesel rated at 397 hp (296 kW) and 765 lb.-ft. of torque (1,037 Nm)
• Segment-best diesel power complemented by up to 11-percent improved fuel economy and up to 63-percent reduced NOx emissions
• Small-block 6.0L gas V-8 enhanced for greater low-rpm torque, while delivering 360 hp (268 kW)
PONTIAC, MI – March 10, 2010: The new 2011 GMC Sierra heavy-duty pickups are offered with a new 6.6L Duramax turbo-diesel V-8 that tops the segment in power. It is rated at 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600 rpm.
The new, more powerful 6.6L Duramax is also more fuel-efficient – up to 11-percent greater fuel economy than the outgoing model – reduces NOx emissions by up to 63 percent and helps enable greater towing ratings. Sierra 3500HD can tow up to 20,000 pounds (9,072 kg).











