The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm, It locks to turn both rear wheels in unison for added traction.
To help ensure consistent fade-free performance, the brake discs measure a generous 14" in diameter and utilize twin-piston calipers. Plus, Duralife brake rotors protect against corrosion and can help double the life of the rotors compared with conventional rotors.
Equipped with the proven power of the available 6.6L Duramax Diesel, is rated at 445 hp and 910 lb- ft of torque. An all-new induction system draws air through a scoop integrated into the hood, providing cooler airflow contributing to increased horsepower.
This 3.5" diagonal monochromatic display provides the driver with basic vehicle information as well as any warning messages.
Provides all occupants with a cool, comfortable driving environment.
This standard feature enables you to maintain a minimum speed of approximately 25 mph or greater. Includes set and resume speed buttons conveniently located on the steering wheel.
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and
- Two maintenance visits
- 3-year / 36,000-mile Bumper-to-Bumper Warranty
- 5-year / 60,000-mile Powertrain Warranty
- 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
- 3-month trial of OnStar Guidance Plan with a suite of emergency security and diagnostic services
- 5-year OnStar Basic Plan
Sierra’s electronic stability control system helps improve stability by detecting and reducing traction loss.
Sierra 3500HD’s advanced technologies pair intelligent engineering with driver-centric safety, using cameras or ultrasonic sensors to watch where you might not be looking. Sierra is the first pickup to offer this technology, which lets you know when you are approaching another vehicle too quickly or when you’ve left your driving lane.