2012 Chevrolet Silverado 2500HD 4WD Ext Cab 144.2" LTZ

Engine, Vortec 6.0L Variable Valve Timing V8 SFI E85-compatible, FlexFuel capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (E63) fleetside pickup box; (322 hp [240.1 kW] @ 4400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (ZW9) pickup box delete (Does not include E85 capability with (ZW9) pickup box delete.)

Rear axle, 3.73 ratio

Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36mm front stabilizer bar

Air cleaner, high-capacity

Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil

Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank

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

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.)

Trailer brake controller, integrated

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

Pickup box, Fleetside

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 chrome bumper end caps

Bumper, rear chrome, step-style with pad (Not available with (ZW9) pickup box delete.)

Moldings, bodyside, body-colored

Grille, chrome surround

Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature

Lamps, dual cargo area lamps

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.)

Wipers, front intermittent wet-arm with pulse washers

Door handles, color-keyed

Audio system feature, Bose premium speaker system with sub-woofer in center console

Bluetooth for phone personal cell phone connectivity to vehicle audio system

Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor)

Steering column, Tilt-Wheel, adjustable with brake/transmission shift interlock

Steering wheel, leather-wrapped with theft-deterrent locking feature

Steering wheel controls, mounted audio controls

Instrumentation, analog with speedometer, fuel level, engine temperature, tachometer, 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 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

Cruise control, electronic with set and resume speed, located on steering wheel

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)

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

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 the correct child restraints for your child's age and size. Even in vehicles equipped with air bags and the Passenger Sensing System, children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the Owner's Manual and child safety seat instructions for more safety information.)

Tire Pressure Monitor System (does not apply to spare tire)