GMC Sierra Z71 2008 Automatic Gasoline 4WD GMC Sierra for sale or exchange. Model 2008 Additions In the name of God, the Most Gracious, the Most Merciful Specifications and additions 1- Front and rear cast bumpers 2- Bilstein sports shocks 3- Clean control arms 4- Almost new stone tire 5- Method rims 6- 9 lighting pods 7- Android navigation screen 8- Froom pedals 10- H mirrors 11- Black grille with Raptor lighting