Trailering Package includes trailer hitch- 7-pin and 4-pin connectors | Engine- 5.3L EcoTec3 V8 with Active Fuel Management- Direct Injection and Variable Valve Timing includes aluminum block construction (355 hp [265 kW] @ 5600 rpm- 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm) | Rear axle- 3.08 ratio | Pickup box | GVWR- 7200 lbs. (3266 kg) (Requires Crew Cab or Double Cab 4WD models and (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine.) | Transfer case- electronic Autotrac with rotary dial control (Included with 4WD models only.) | Differential- heavy-duty locking rear | Four wheel drive | Cooling- external engine oil cooler | Cooling- auxiliary external transmission oil cooler | Battery- heavy-duty 720 cold-cranking amps/80 Amp-hr- maintenance-free with rundown protection and retained accessory power | Alternator- 150 amps | Frame- fully-boxed- hydroformed front section | Suspension Package- Handling/Trailering | Steering- Electric Power Steering (EPS) assist- rack-and-pinion | Brakes- 4-wheel disc with DURALIFE rotors- 4-wheel antilock | Exhaust- aluminized stainless-steel muffler and tailpipe | 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- model K15753 with (L83) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package- or model CC15743 model with (L83) 5.3L EcoTec3 V8 engine. LPO wheels require model CC15743.) | Tire carrier lock- keyed cylinder lock that utilizes same key as ignition and door | Bumper- front chrome | Bumper- rear chrome | Lamps- cargo area- cab mounted with switch on center switch bank | CornerStep- rear bumper | Moldings- bodyside- chrome | Wheelhouse liners- rear | Grille surround- chrome | Taillamps- LED with signature | Fog lamps- thin profile LED | Mirror caps- chrome | Glass- deep-tinted | Door handles- chrome | Tailgate and bed rail protection cap- top | Remote Locking Tailgate | Tailgate- EZ-Lift and Lower | Radio- HD | 6-speaker audio system | Seat- rear 60/40 folding bench (folds up)- 3-passenger (includes child seat top tether anchor) | Steering column- manual tilt and telescoping | Instrumentation- 6-gauge cluster featuring speedometer- fuel level- engine temperature- tachometer- voltage and oil pressure | Driver Information Center- 4.2-inch diagonal color display includes driver personalization- warning messages and vehicle information | Windows- power front and rear with driver express up and down and express down on all other windows | Remote vehicle starter system | Universal Home Remote | Theft-deterrent system- unauthorized entry | Air conditioning- dual-zone automatic climate control Only available on Crew Cab and Double Cab models. | Mirror- inside rearview auto-dimming | Visors- driver and front passenger illuminated vanity mirrors | Assist handle- front passenger on A-pillar | Power outlet- 110-volt AC | StabiliTrak- stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist | Airbags- Dual-stage frontal airbags for driver and front passenger- seat-mounted side-impact airbags for driver and front outboard passenger- and head-curtain side-impact airbags for front and rear outboard seating positions; includes 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.) | Rear Vision Camera with dynamic guide lines | Tire Pressure Monitoring System (does not apply to spare tire) |