An all new induction system provides cooler airflow and contributes to the increased horsepower rating of the engine
Radiator capacity was increased over previous models to provide enhanced powertrain cooling performance
Driveline enhancements were made to increase strength and improve reliability. These enhancements include a stronger front prop shaft and larger U-joints
QUIETER OPERATION
This is also the quietest idling Duramax diesel engine ever offered in a Sierra HD. Features contributing to its improved quiet operation include an all-new fuel system and acoustic treated rocker covers.
Nearly two-thirds of the Sierra’s cab structure is made from high-strength steels. It’s a fortress of strength that contributes to the pickup truck’s quiet cabin. We also use high-strength steel in our fully-boxed frame rails and major frame cross-members.
SIGNATURE STYLE
Hood scoop (induction system) on the Duramax-equipped models provides cooler airflow and contributes to the increased horsepower rating of the engine
Standard on every 2017 GMC Sierra 2500 Denali HD heavy-duty truck, GMC Pro Grade Protection has you truly protected with features and services, including:
Two maintenance visits (includes DEF for diesel)11
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