2011 GMC SIERRA K25

StabiliTrak, stability control system with Proactive Roll Avoidance includes electronic trailer sway control, intelligent brake assist 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

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

PACKAGE (1)

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

MECHANICAL (18)

• Engine, Vortec 6.0L Variable Valve Timing V8 SFI (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
• Rear axle, 3.73 ratio
• 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, frame-mounted
• Suspension, front independent, torsion bar with increased front GAWR
• 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 (11)

• 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.)
• 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

ENTERTAINMENT (2)

• XM 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.)

INTERIOR (16)

• Seat, rear bench (folds up), full width, folding, 3-passenger (includes child seat top tether anchor) (Standard with Extended Cab models only)
• 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
• Windows, fixed, rear access door (Standard with Extended Cab models only)
• 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