Under the Hood

A 3.5-liter V-6 produces 201 horsepower in front-wheel-drive Terrazas, and 196 hp in all-wheel-drive models. The new 3.9-liter V-6 features variable valve timing and develops 240 hp and 240 pounds-feet of torque. Both engines drive a four-speed-automatic transmission. When properly equipped, the Terraza can tow a 3,500-pound trailer.

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    OnStar®
    OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services. ...

    Hydroplaning
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    Adjusting the Treble, Midrange, and Bass
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