The GMC Sierra HD line of heavy duty trucks has been reengineered from the ground up for 2011, with a new frame, new front and rear suspensions, bigger brakes, and a new, more powerful Duramax 6.6-liter turbo diesel.
At the same time, a luxurious new Denali model brings premium features and styling to the heavy-duty line. The Sierra Denali HD is a 2500HD Crew Cab with a choice of Vortec 6.0-liter V8 or the Duramax diesel with the latest Allison six-speed automatic.
GMC Sierra heavy-duty pickups are well-suited for real-world use and abuse. They can haul tons of brick and … Full Review
The GMC Sierra HD line of heavy duty trucks has been reengineered from the ground up for 2011, with a new frame, new front and rear suspensions, bigger brakes, and a new, more powerful Duramax 6.6-liter turbo diesel.
At the same time, a luxurious new Denali model brings premium features and styling to the heavy-duty line. The Sierra Denali HD is a 2500HD Crew Cab with a choice of Vortec 6.0-liter V8 or the Duramax diesel with the latest Allison six-speed automatic.
GMC Sierra heavy-duty pickups are well-suited for real-world use and abuse. They can haul tons of brick and … Hide Full Review
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