Rolling back prices... 4 Wheel Drive!!!4X4!!!4WD* Very Low Mileage: LESS THAN 18k miles*** CARFAX 1 owner and buyback guarantee!!! This gas-saving Sierra 1500 will get you where you need to go... Optional equipment includes: Integrated Trailer Brake Controller Heavy-Duty Trailering Package (Retail) - Includes Heavy-Duty Rear Automatic Locking Differential HD Auxiliary External Transmission Oil Cooler Also Includes Includes trailering hitch platform 2' receiver 7-wire harness (harness includes wires for: park lamps backup lamps right turn left turn electric brake lead battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector and wiring harness for after-market trailer brake controller (located in the instrument panel harness)....