2012 GMC Sierra

Four Wheel Drive

TAILGATE LOCKING

Cruise control electronic with set and resume speed

Steering power

INTERIOR

Tailgate EZ-Lift

Door handles chrome

Exhaust aluminized stainless-steel muffler and tailpipe

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

Frame fully-boxed hydroformed front section

Fog lamps front halogen

EXTERIOR

MECHANICAL

Air cleaner high-capacity

Bumper front body-color

Trailer brake controller integrated

Battery heavy-duty 600 cold-cranking amps maintenance-free with rundown protection and retained accessory power

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

Lamps dual cargo area lamps

Warning tones headlamp on key-in-ignition driver and passenger buckle up reminder and turn signal on

Wipers front intermittent wet-arm with pulse washers

Rear axle 3.73 ratio

Pickup box Wideside

Tire carrier lockable outside spare winch-type mounted under frame at rear

DIFFERENTIAL HEAVY-DUTY AUTOMATIC LOCKING REAR

Tailgate protection top of tailgate protection cap

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

Alternator 125 amps

Windows power with driver and front passenger express-down

Suspension Front Independent Torsion Bar

Air dam color-keyed

Bumper rear body-color step-style with pad

Brakes 4-wheel antilock 4-wheel disc (Standard on T*30743 models only.)

Recovery hooks front Black

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

Transfer case electronic shift with rotary dial controls (Requires 4WD models)

Suspension rear 4+1+2 multi-leaf springs for single rear wheel and 3+1+2 multi-leaf springs for dual rear wheel

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)

GVWR 10800 lbs. (4899 kg) with single rear wheels (Requires TK30743 with (L96) Vortec 6.0L V8 SFI engine.)

Glass Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver-and front passenger-side glass)

Grille chrome surround with chrome center Denali-exclusive

LPO Rear wheelhouse liner (Not included on T*30943 models)

Lamps Smoked Amber roof marker (Standard with (C7J) 13000 lbs. GVWR (dual rear wheel) only. With single rear wheel GVWR not available with (YF5) California state emissions requirements.)

Mirrors outside heated power-adjustable vertical camper manual-folding and extension Black integrated turn signal indicators consisting of 50 square inch flat mirror surface positioned over a 20 squar

Moldings body-color bodyside with chrome insert

Skid Plate Package frame-mounted shields includes front underbody shield starting behind front bumper and running to first cross-member protecting front underbody oil pan differential case and transfe

Suspension Package Handling/Trailering heavy-duty includes 35mm monotube shocks and 34mm front stabilizer bar

Tires LT265/70R18E all-season blackwall (Standard on T*30743 models only. Includes (PYR) 18 (45.7 cm) forged polished aluminum wheels.)

Trailering equipment heavy-duty includes trailering hitch platform 7- wire harness (harness includes wires for: park lamps backup lamps right turn left turn electric brake lead battery and ground) wit

Visors driver and front passenger ill>

Wheel 18 x 8 (43.2 cm x 19.1 cm) full-size steel spare (Standard on T*30743 models only.)

Wheels 18 (45.7 cm) forged polished aluminum (Standard on T*30743 models only.)