Priced below KBB Fair Purchase Price! CARFAX One-Owner. Clean CARFAX. Sierra 1500 SLE, 4D Crew Cab, EcoTec3 5.3L V8, 6-Speed Automatic Electronic with Overdrive, 4WD, Black. Odometer is 722 miles below market average! Black 2015 GMC Sierra 1500 4D Crew Cab SLE 4WD EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive Must Finance with Dealer and Take Same Day Delivery to get this Special ...