The 2011 Chevy Silverado HD and 2011 GMC Sierra HD — two new heavy-duty work trucks with the muscle to get the work done. With improved capabilities including more power, more torque and higher payload and towing capacity, these trucks are ideal for your business's heavy-duty jobs.
Proven Powertrains, Built Even Better
- More horsepower and torque from the proven, available Duramax® 6.6L Turbo-Diesel V8, which improves fuel economy by more than 11% over the 2010 HD1
- Duramax® 6.6L Turbo-Diesel V8 can run on B20 biodiesel fuel
- Available legendary Allison® 6-speed transmission built stronger than ever
- Standard 6.0L Vortec V8 gas engine with Variable Valve Timing features improved fuel economy,1 performance and drivability
Capable Trucks to Get The Job Done
- Heavy Duty Independent Front Suspension with up to a 6,000 lb. front gross axle weight rating—all 4WD models can accommodate a snow plow
- Strengthened frame and all-new front and rear suspension deliver improved payload capability of up to 7,293 lbs.2 for chassis cab model
- Gross Combination Weight Rating of up to 27,500 lbs., offering better towing capacity than previous models
Confidence Even Under Extreme Conditions
- New available Smart Diesel Exhaust Brake reduces the amount of conventional braking needed while towing or traveling downhill
- StabiliTrak® with Traction Control now standard on all single-rear-wheel models
- New available Trailer Sway Control feature on all single-rear-wheel models senses trailer sway and automatically applies the truck's brakes and reduces engine power, if necessary, to help you get back on track
- 100,000-mile/5-year transferable Powertrain Limited Warranty.3 That's 40,000 more miles than Ford
Want to explore our Heavy Duty vehicles further?
Vehicles shown have been altered or upfitted with equipment, bodies, or components supplied to GM or its dealers by independent suppliers. GM is not responsible for the safety or quality of design features, materials, or workmanship or any alterations by such supplier. See owner's manual for information on alteration and warranties.