New for 2011
The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear.
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Safety, Reliability & Mileage
Acadias built after January 2011 are Insurance Institute for Highway Safety
Top Safety Picks, meaning they scored the institute's highest rating "Good" in
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