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The 2011 Chevrolet Silverado HD's Duramax turbo diesel's power, torque, maximum conventional and fifth-wheel tow and payload ratings are best in class. Its fifth-wheel tow capability is 21,700 pounds, it can tow up to a 17,000-pound conventional load with its factory-installed hitch, and the Duramax is fully B20 biodiesel compatible.
Changes for 2009 include OnStar 8.0 which allows for Bluetooth capability and Turn-by-Turn navigation with Destination Download on vehicles equipped with the DVD navigation screen. A new rearview camera system is available on Extended Cab and Crew Cab models, and vehicle stability enhancement is added to the 2500 HD trucks with single rear wheels.
Building on the well-received Tahoe, Suburban and lighter-duty 1500 pickups, Chevrolet's Heavy Duty series brings increased capabilities, refined interiors and enhanced drivability. And, in a nod to Ford's Super Duty line, there's more to differentiate this newest Heavy Duty from its lighter-duty sibling.