Vehicle Overview

GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for an overall mileage improvement compared with the regular Sierra. The Sierra Hybrid is only available as a rear- or four-wheel-drive crew cab, both with a 6.0-liter V-8 and two electric transmission motors. Standard features include a trailering package, locking rear differential and side curtain airbags.

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    Rear Seat Audio (RSA) System
    Vehicles with this feature allow the rear seat passengers to listen to and control any of the music sources: radio, CDs, DVDs, or other auxiliary sources. However, the rear seat passengers can only co ...

    Repeat Functionality
    To use Repeat: Press the softkey below or to select between Repeat All and Repeat Track. (Repeat All): Press the softkey below to repeat all tracks. The tab appears lowered when Repeat All is b ...

    2011 GMC Acadia Review By Sherrice Gilsbach
    Adding glitzy Denali details to the already fabulous 2011 GMC Acadia seems like a perfect marriage. And it was, with the exception of a few minor dislikes for this three-row crossover. With a bo ...