MECHANICAL Rear axle, 3.23 ratio (Standard and only available on (LU3) 4.3L V6 or (L20) Vortec 4.8L V8 SFI FlexFuel on 2WD models. Refer to Engine/Axle chart for availability.) Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 36mm front stabilizer bar (Includes 36mm front stabilizer bar when (NHT) Max Trailering Pack is ordered.) GVWR, 6800 lbs. (3084 kg) (Requires CC10753, CC10543 or CK10903 models. Standard on CC10543 models.) Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power Alternator, 145 amps Frame, fully-boxed, hydroformed front section Suspension, front independent, coil over shock Suspension, rear 2-stage multi-leaf springs, semi-elliptic Exhaust, aluminized stainless-steel muffler and tailpipe --- EXTERIOR Wheel, 17" (43.2 cm) steel spare (spare wheel will not cosmetically match the other 4 wheels) Spare tire lock keyed cylinder lock that utilizes same key as ignition and door Tire carrier, outside spare, winch-type mounted under frame at rear Bumper, front chrome (Includes chrome bumper bar and end caps with painted silver lower section.) Bumper, rear chrome, step-style with pad Air dam, Black Moldings, bodyside, body-colored (Moldings are deleted if any SEO paint is ordered.) Grille, chrome surround Lamps, dual cargo area lamps Door handles, Black Pickup box, Fleetside --- ENTERTAINMENT Audio system feature, speaker system (Includes 4 speakers on Regular Cab and 6 speakers on Extended and Crew Cab Models.) --- INTERIOR Instrumentation, analog with speedometer, odometer, fuel level, engine temperature, and tachometer (Includes voltmeter and oil pressure indicators.) Driver Information Center with odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal "on", transmission temperature and oil change notification) (Driver Information Center controls are operated through the trip odometer button unless (UK3) steering wheel mounted audio controls is ordered. On 1LT, 1SF and 1LZ, includes 8-point compass and outside temperature.) Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on Cup holders, front (Also includes rear cupholders on Extended and Crew Cab models.) Mirror, inside rearview manual day/night Assist handle, front passenger (Also includes rear assist handles in the headliner on Extended and Crew Cab Models.) Coat hooks, rear driver and passenger side --- Fuel Economy:City: high: 15MPG low: 15MPG Hwy: high:21MPG low:21MPG Drivetrain:Rear wheel drive Steering:Steering, power, rack-and-pinion Window:Windows, power with driver Express-Down Convenience:Lighting, interior with dome and reading lights, illuminated entry feature and backlit instrument panel switches Seats:Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor) (Requires Extended or Crew Cab Models.) Mirrors:Visors, driver and front passenger, sliding with clip and illuminated vanity mirror on driver and passenger-side, Opal Gray-colored Safety Features:Door locks, rear child security (Crew Cab models only.) Air Bag - Frontal:Air bags, frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) Air Bag - Side:Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)