This Chevrolet Silverado 1500 delivers a Gas/Ethanol V6 4.3L/262 engine powering this Automatic transmission. ENGINE, 4.3L ECOTEC3 V6 WITH ACTIVE FUEL MANAGEMENT, DIRECT INJECTION AND VARIABLE VALVE TIMING, Z71 Package, Off-Road includes monotube Rancho brand shocks, (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield and (V76) recovery hooks. Also includes brushed metal Z71 door sill plate, unique Z71 gauge cluster, unique finish interior trim plates, unique lower bumper appearance, unique grille design with Z71 badge and Z71 pickup box decals (Available on 4WD models only) (Includes (Z82) Trailering Package, (G80) locking rear differential and (RD1) 18' bright machined wheels and (RBX) 18' tires. Upgradeable to (RD4) 20' polished-aluminum wheels or 22' LPO wheels.), Windows, power front and rear with driver express up and down and express down on all other windows. This Chevrolet Silverado 1500 Features the Following Options Wheelhouse liners, rear (Requires Crew Cab or Double Cab model.), Wheel, full-size spare, 17' x 7' (43.2 cm x 17.8 cm) aluminum (Included and only available with model K15543 and (L83) 5.3L EcoTec3 V8 engine or (LV3) 4.3L EcoTec3 V6 engine or model *15703 and (LV3) 4.3L EcoTec3 V6 engine. With 22' LPO wheels require (LV3) 4.3L EcoTec3 V6 engine and CC15543 model.), Visors, driver and front passenger illuminated vanity mirrors, Underbody shield, transfer case protection, Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking, Transfer case, electronic Autotrac with rotary dial control (Included with 4WD models only.), Tires, P265/65R18 all-terrain, blackwall, Tire, spare P265/70R17 all-season, blackwall (Included and only available with (RBX), (RC7), (RHH), (RI8) or (RBW).), Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire), Tire carrier lock, keyed cylinder lock that utilizes same key as ignitio