The 2012 GMC Sierra 3500HD SRW Extended Cab is equipped with a 322-horsepower, 6.0-liter V8 engine with six-speed automatic transmission. Each model is provided with power steering, four-wheel anti-lock brakes, and StabiliTrak stability control to help maintain safe and smooth drives onboard. With the Heavy-Duty Suspension Package, you'll have 35mm twin-tube shock absorbers and a 34mm front stabilizer bar to ensure solid performance. This sturdy pick-up truck also comes with front and rear chrome bumpers, daytime running lamps, a wideside pick-up box, and front frame-mounted recovery hooks.
Experience the 2012 GMC Sierra 3500HD SRW Extended Cab at Ewing Buick GMC today!
Introducing the 2012 Sierra 3500HD SRW Extended Cab SLE 4WD | Base Price: $40,225 |
 The 2012 GMC Sierra 3500HD SRW Extended Cab SLE with four-wheel drive is equipped with premium cloth-trimmed bench seats. The SLE trim comes standard with a six-speaker audio system with AM/FM radio, MP3-compatible CD player, and a three-month trial of SiriusXM Satellite Radio. Drivers have the assistance of OnStar navigation to help them on the road. OnStar's Directions and Connections Plan is included for six months.
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The 2012 GMC Sierra 3500HD SRW Extended Cab SLT with RWD | Base Price: $37,075 |
 The rear-wheel drive GMC Sierra 3500HD SRW Extended Cab SLE offers convenient OnStar turn-by-turn navigation with a six-month subscription of OnStar's Directions and Connections Plan. In addition, a three-month trial of SiriusXM Satellite Radio is offered to provide entertainment on the road.
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The Rear-Wheel Drive GMC Sierra 3500HD SRW Extended Cab SLT | Base Price: $41,740 |
 This rear-wheel drive edition of the 2012 GMC Sierra 3500HD SRW Extended Cab SLT comes with convenient dual-zone automatic climate control, power windows, and steering wheel-mounted audio controls. In the front row are two power-adjustable bucket seats with Ultrasoft leather trim. Drivers additionally have two-way memory seating for extra comfort. Bose premium audio with AM/FM radio and single CD player with MP3 compatibility will entertain each passenger onboard.
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The 2012 GMC Sierra 3500HD SRW Extended Cab SLT with 4WD | Base Price: $44,890 |
 The four-wheel drive GMC Sierra 3500HD SRW Extended Cab SLT has a classy cab featuring Ultrasoft leather-trimmed and power-adjustable front bucket seats. Drivers have the luxury of two-position memory seating to store their favorite settings. In addition, Bose premium audio, Bluetooth technology, and steering wheel-mounted audio controls are included with the SLT trim.
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The Four-Wheel Drive GMC Sierra 3500HD SRW Extended Cab WT | Base Price: $36,625 |
 This specific WT trim for the 2012 GMC Sierra 3500HD SRW Extended Cab delivers great performance with four-wheel drive. This model is equipped with dark titanium vinyl seat trim and black rubberized vinyl floor covering. The WT trim also comes with 18" painted steel wheels and Solar-Ray light-tinted glass on all windows.
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The 2012 GMC Sierra 3500HD SRW Extended Cab WT with RWD | Base Price: $33,670 |
 Solar-Ray light-tinted glass is equipped on all windows of the GMC Sierra 3500HD SRW Extended Cab WT to help protect the interior. You'll find black rubberized floor covering and dark titanium vinyl bench seats inside the cab.
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| Base Standard Equipment |
| Interior Standard Equipment |
| 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. |
| Assist handle, front passenger and rear assist handles in the headliner |
| Coat hooks, rear driver and passenger side |
| Cruise control, electronic - With set and resume speed, located on steering wheel |
| Cup holders, front and rear |
| Headliner, Opal Gray-colored cloth - With matching retainer moldings |
| Instrumentation, analog - With speedometer, fuel level, engine temperature, tachometer, voltmeter and oil pressure indicators. |
| Lighting, interior - With dome and reading lights, illuminated entry feature and backlit instrument panel switches |
| Power outlets, 2 auxiliary instrument panel-mounted - With covers, 12-volt |
| Steering column, Tilt-Wheel, adjustable - With brake/transmission shift interlock |
| Warning tones - Headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on |
| Exterior Standard Equipment |
| Bumper, front chrome - Includes body-color bumper top caps. |
| Bumper, rear chrome, step-style with pad - (Not available with (ZW9) pickup box delete) |
| Daytime Running Lamps - With automatic exterior lamp control |
| Headlamps, dual halogen composite - With automatic exterior lamp control and flash-to-pass feature |
| Lamps, dual cargo area lamps |
| Pickup box, Wideside |
| Recovery hooks, front, frame-mounted |
| Spare tire lock - Keyed cylinder lock that utilizes same key as ignition and door (Not available with (ZW9) pickup box delete or (VF7) rear bumper delete is ordered) |
| Tailgate protection, top of tailgate protection cap |
| 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.) |
| Tires, LT265/70R18E all-season, blackwall |
| Wipers, front intermittent wet-arm with pulse washers |
| Mechanical Standard Equipment |
| Air cleaner, high-capacity |
| Alternator, 125 amps |
| Battery, heavy-duty 600 cold-cranking amps, maintenance-free - With rundown protection and retained accessory power |
| Brakes, 4-wheel antilock, 4-wheel disc |
| 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 |
| Differential, heavy-duty automatic locking rear |
| Engine, Vortec 6.0L V8 SFI |
| Exhaust, aluminized stainless-steel muffler and tailpipe |
| Frame, fully-boxed, hydroformed front section |
| Rear axle, 3.73 ratio |
| StabiliTrak - Stability control system with Proactive Roll Avoidance, includes electronic trailer sway control, intelligent brake assist and hill start assist |
| Steering, power, recirculating ball |
| Suspension, front independent, torsion bar - With increased front GAWR |
| Suspension, rear 4+1+2 multi-leaf springs |
| Suspension Package, Handling/Trailering, heavy-duty - Includes 35mm twin tube shock absorbers and 34mm front stabilizer bar |
| Trailer brake controller, integrated |
| Transmission, 6-speed automatic, heavy-duty, electronically controlled - With overdrive and tow/haul mode |
| Warranty Standard Features |
| Bumper-to-Bumper Limited Warranty - 3 years/36,000 miles |
| Powertrain Limited Warranty - 5 years/100,000 miles |
| Roadside Assistance - 5 years/100,000 miles |
| Rust-through Corrosion Perforation - 6 years/100,000 miles |
