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Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 ...

Temperature Control
The driver and passenger side temperature buttons are used to adjust the temperature of the air coming through the system. The temperature can be adjusted even if the system is turned off since outsid ...

Rear Vision Camera Location
The camera is located above the license plate. The area displayed by the camera is limited and does not display objects that are close to either corner or under the bumper. The area displayed can ...