MECHANICAL

• Rear axle, 3.73 ratio
• Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36mm front stabilizer bar
• Pickup box, Wideside
• Air cleaner, high-capacity
• Transfer case, electronic shift with rotary dial controls (Requires 4WD models)
• Differential, heavy-duty automatic locking rear
• Four wheel drive
• Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
• Alternator, 125 amps
• Trailer brake controller, integrated
• Frame, fully-boxed, hydroformed front section
• Recovery hooks, front, Black
• Trailering equipment, heavy-duty includes trailering hitch platform and 2.5- inch receiver with 2" adapter, 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, wiring harness for after-market trailer brake controller (located in the instrument panel harness) and (JL1) integrated trailer brake controller (Will be deleted if (ZW9) pickup box delete is ordered.)
• Suspension, front independent, torsion bar
• Suspension, rear 4+1 multi-leaf springs
• Steering, power, recirculating ball
• Brakes, 4-wheel antilock, 4-wheel disc
• Exhaust aluminized stainless-steel muffler and tailpipe

EXTERIOR

• Wheels, 18" (45.7 cm) forged polished aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered (Upgradeable to (PYS) 20" (50.8 cm) forged polished aluminum wheels.)
• Tires, LT265/70R18E all-season, blackwall (Upgradeable to (QFC) LT265/75R20E all-terrain tires when (PYS) 20" (50.8 cm) forged polished aluminum wheels are ordered or (QGM) LT265/70R18E all-terrain tires when (PYR) 18" (45.7 cm) forged polished aluminum wheels are ordered.)
• Tire carrier, outside spare, winch-type mounted under frame at rear (Orders with (ZW9) Pickup box delete will not include a Spare Tire Carrier unless a spare tire is ordered.)
• Spare tire lock keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete or (VF7) rear bumper delete is ordered.)
• Bumper, front chrome includes body-color bumper top caps
• Bumper, rear chrome, step-style with pad (Requires RPO (E63) wideside pickup box)
• Moldings, bodyside, body-colored
• Grille, chrome with chrome surround
• Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature
• Lamps, dual cargo area lamps
• Fog lamps, front, halogen
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming with integrated turn signal indicators (Mirrors are body-colored and include curb-tilt feature. Upgradeable to (DPN) outside vertical camper mirrors.)
• Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver-and front passenger-side glass) (With Regular Cab models, includes rear window. With Extended Cab models, includes rear and rear quarter windows. With Crew Cab models or (C49) rear-window defogger, includes light-tinted rear window. Included with (PCM) Work Truck Preferred Package.)
• Wipers, front intermittent wet-arm with pulse washers
• Tailgate protection top of tailgate protection cap

ENTERTAINMENT

• Audio system, AM/FM stereo with CD player and MP3 playback USB port, auxiliary input jack, seek-and-scan, digital clock, auto-tone control, Radio Data System (RDS), automatic volume, TheftLock and 36 cross-band presets
• SiriusXM Satellite Radio is standard on nearly all 2013 GM models. Enjoy a 3-month trial to the XM Premier package, with over 140 channels including commercial-free music, all your favorite sports, exclusive talk and entertainment. And now add premium channels to your trial at no-cost. Welcome to the world of satellite radio (Not available with (UYS) AM/FM stereo with MP3 compatible CD/DVD player and navigation. If you subscribe after your trial period, subscriptions are continuous until you call SiriusXM to cancel. See SiriusXM Customer Agreement for complete terms at www.siriusxm.com. Other fees and taxes will apply. All fees and programming subject to change.)
• Audio system feature, Bose premium speaker system with subwoofer in center console
• Bluetooth® for phone, personal cell phone connectivity to vehicle audio system

INTERIOR

• Seats, front bucket includes 10-way power driver and front passenger seat adjusters including 2-way power lumbar control, heated seat cushions and seatbacks, 2-position driver memory, adjustable outboard head restraints, floor console and storage pockets
• Seat trim, Leather-appointed front seats
• Seat adjuster, driver 10-way power
• Seat adjuster, front passenger 10-way power
• Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor)
• Steering wheel, leather-wrapped with theft-deterrent locking feature
• Steering wheel controls mounted audio controls
• Console, floor with storage compartment, 2 auxiliary power outlets and dual cup holders
• Floor covering, color-keyed carpeting with rubberized vinyl floor mats (Extended and Crew Cab models also include rear floor mats)
• Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on
• Windows, power with driver Express-Down (Includes front passenger Express-down)
• Door locks, power includes Remote Keyless Entry
• Cruise control, electronic with set and resume speed, located on steering wheel
• Remote vehicle starter system includes Remote Keyless Entry with 2 transmitters, panic button and content theft alarm (Remote Keyless Entry does not lock/unlock tailgate.)
• Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger
• Defogger, rear-window electric (Not available with (A48) power sliding rear window.)
• Cup holders, front (Also includes rear cupholders on Extended and Crew Cab models)
• Power outlets 2 auxiliary instrument panel-mounted with covers, 12-volt
• Mirror, inside rearview auto-dimming
• Headliner, Opal Gray-colored cloth with matching retainer moldings
• Visors, driver and front passenger, sliding with clip and illuminated vanity mirror on driver and passenger-side, Opal Gray-colored
• Assist handle, front passenger (Also includes rear assist handles in the headliner on Extended and Crew Cab models)
• Lighting, interior with dome and reading lights, illuminated entry feature and backlit instrument panel switches
• Coat hooks, rear driver and passenger side

SAFETY

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Daytime Running Lamps with automatic exterior lamp control
• Air bags, frontal, driver and right-front passenger (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.)
• Automatic Crash Response
• Stolen Vehicle Assistance
• OnStar Turn-by-Turn Navigation
• Door locks, rear child security (Crew Cab models only.)
• Tire Pressure Monitor System (does not apply to spare tire)