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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    Recommended Fluids and Lubricants
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    Under the Hood
    The Yukon Hybrid uses a two-mode hybrid system. The system augments the SUV's V-8 engine with two electric motors, both powered by a 300-volt battery pack. A cylinder-deactivation system cuts powe ...

    Lower Anchor and Top Tether Anchor Locations
    Second Row — Bucket (Top Tether Anchor): Seating positions with top tether anchors. (Lower Anchor): Seating positions with two lower anchors. Second Row — 60/40 Bench (Top Tether Anchor ...