Select a trim Denali Crew Cab 2WD Denali Crew Cab AWD SL Crew Cab 2WD SL Crew Cab 4WD SLE1 Crew Cab 2WD SLE1 Crew Cab 4WD SLE1 Ext. Cab Long Box 2WD SLE1 Ext. Cab Long Box 4WD SLE1 Ext. Cab Short Box 2WD SLE1 Ext. Cab Short Box 4WD SLE1 Ext. Cab Std. Box 2WD SLE1 Ext. Cab Std. Box 4WD SLE1 Long Box 2WD SLE1 Long Box 4WD SLE1 Std. Box 2WD SLE1 Std. Box 4WD SLE2 Crew Cab 2WD SLE2 Crew Cab 4WD SLE2 Ext. Cab Long Box 2WD SLE2 Ext. Cab Long Box 4WD SLE2 Ext. Cab Short Box 2WD SLE2 Ext. Cab Short Box 4WD SLE2 Ext. Cab Std. Box 2WD SLE2 Ext. Cab Std. Box 4WD SLT Crew Cab 2WD SLT Crew Cab 4WD SLT Ext. Cab Long Box 2WD SLT Ext. Cab Long Box 4WD SLT Ext. Cab Short Box 2WD SLT Ext. Cab Short Box 4WD SLT Ext. Cab Std. Box 2WD SLT Ext. Cab Std. Box 4WD Work Truck Crew Cab 2WD Work Truck Crew Cab 4WD Work Truck Ext. Cab Long Box 2WD Work Truck Ext. Cab Long Box 4WD Work Truck Ext. Cab Short Box 2WD Work Truck Ext. Cab Short Box 4WD Work Truck Ext. Cab Std. Box 2WD Work Truck Ext. Cab Std. Box 4WD Work Truck Long Box 2WD Work Truck Long Box 4WD Work Truck Std. Box 2WD Work Truck Std. Box 4WD Compare Compare 2008 GMC Sierra_1500 Trim Packages