2012 GMC Sierra 2500HD 4WD Crew Cab 4D Pickup Truck

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) wideside 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.)

Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode (Requires (L96) Vortec 6.0L V8 SFI engine.)

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

GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine. Not available on TC20903 or TK20943 models.)

Air cleaner, high-capacity

Transfer case, with floor-mounted shifter (Requires 4WD models)

Four wheel drive

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

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

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

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

Wheels, 17" (43.2 cm) steel includes 17" x 7.5" (43.2 cm x 19.1 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is 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)

Grille, chrome surround

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

Lamps, dual cargo area lamps

Mirrors, outside manual, Black, manual-folding

Glass, Solar-Ray light-tinted, all windows

Wipers, front intermittent wet-arm with pulse washers

Tailgate protection top of tailgate protection cap

SiriusXM Satellite Radio, delete

Audio system feature, speaker system (Included with (5B5) power windows, doors and locks, SEO. Includes 4 speakers on Regular Cab models and 6 speakers on Extended and Crew Cab models.)

Seats, front 40/20/40 split-bench, 3-passenger, driver and front passenger manual reclining with outboard head restraints and center fold-down armrest with storage

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

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

Steering wheel includes theft-deterrent locking feature

Floor covering, Black rubberized vinyl

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 button unless (UK3) steering wheel mounted audio controls is ordered. On 3SA and 4SA, 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, single-zone manual front climate control

Cup holders, front (Also includes rear cupholders on Extended and Crew Cab models)

Mirror, inside rearview manual day/night

Headliner, Opal Gray-colored cloth with matching retainer moldings

Visors, driver and front passenger, sliding with clip and passenger side vanity mirror with cover, 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. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)

OnStar, delete

Door locks, rear child security (Crew Cab models only.)

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