See also:

The Package
Unlike the GMC Yukon and other truck-based SUVs, the Acadia is based on an all-new carlike platform. Because it doesn't use a truck's heavy-duty underpinnings, there's more room in the cabin for s ...

Cooling System
2.4L L4 Engine A. Engine Cooling Fan (Out of View) B. Engine Coolant Surge Tank and Pressure Cap 3.0L V6 Engine A. Engine Cooling Fans (Out of View) B. Engine Coolant Surge Tank and Pressure ...

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. ...