Vortec 5.3L V8 SFI VVT FlexFuel 6-Speed Automatic and 4WD. All the right ingredients! Come to the experts! You won't find a better truck than this fantastic-looking 2011 GMC Sierra 1500. This Sierra SLE is a pretty special truck showing off the superior ride and handling that have earned it accolades from pretty much every reviewer who got behind the wheel. The drivability is good enough to be a capable commuting vehicle for someone who wants a pickup on the weekend for hauling toys or projects. Designated by Consumer Guide as a Recommended Large Pickup in 2011. The Harnish Auto Family has been serving Western Washington for over thirty years! We always have over 750 new and pre-owned vehicles in stock.