When the job demands serious heavy-duty performance and power, the 2012 Sierra 2500HD and 3500HD perform. Delivering an impressive 397 hp and 765 lb-ft of torque when equipped the available legendary Duramax® diesel engine and Allison® 6-speed automatic transmission.† With best-in-class maximum payload capacity of 3,273 kg (7,215 lb),** plus better maximum 5th wheel towing capacity than Ford F-350 and Dodge Ram 3500 (10,433 kg / 23,000 lb),*** it's a truck that is as professional as you are.
- 2012 SIERRA HD

- You need serious power and professional-grade features to get the job done right.
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- A TRUCK EQUAL TO ANY TASK

- Meet the equally dependable and professional 2012 Sierra 1500.
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*MSRP - Manufacturer's Suggested Retail Price. Dealers are free to set individual prices. See additional information on vehicle pricing.
^ Available manufacturer to dealer delivery credit (tax exclusive). Credits may vary by region. See your dealer for details.
***2012 Model Year competitive data for Ford Super Duty F-350 and Ram 3500 Heavy Duty pickup trucks and latest published information available at time of printing. Fifth-wheel towing capacity rating based on 2012 MY. Excludes other GM models.
†Available Duramax Diesel engine.

