The available 6.2L Ecotec3 V8 engine has 420 horsepower with 460 lb-ft of torque and is the most powerful Sierra 1500 engine ever, making it the most powerful pickup in its class. EcoTec3 technologies such as Direct Injection, Active Fuel Management and Variable Valve Timing make our engines more powerful and more efficient than ever.
Ferritic Nitro-Carburizing technology is a GM-exclusive process that hardens and strengthens brakes. This process protects Duralife® brakes against corrosion and can double brake life compared to conventional rotors.
Next-generation Magnetic Ride Control for improved responsiveness in quickly changing road conditions, Redesigned and retuned hydraulic engine mounts for improved isolation and damping, Electric power steering for greater fuel efficiency and handling.
StabiliTrak with Traction Control helps you stay on course, even during sudden maneuvers, by intelligently managing braking and throttle to help keep the vehicle on its intended path.
Denali style starts right up front with the signature Denali chrome grille.
Denali offers the convenience of a standard power-sliding rear window. Get flow-through ventilation at the touch of a button.
Sierra Denali delivers a ride that encompasses the capability and strength that you expect. Sierra is built upon a foundation of Professional Grade Engineering.
The 2015 Sierra Denali interior keeps you comfortably in command. Standard features include:
- Perforated Nuance leather-appointed seating designed to provide comfort and ventilation
- Heated and cooled driver and front passenger 12-way power-adjustable bucket seats
The Denali cabin is engineered to provide you and your passengers with a quiet, comfortable experience. Features contributing to a quiet cabin include:
- Triple door seals block outside noise
- Shear body mounts improve ride by tuning out vibrations
The Bose® Audio System is engineered to give you the realism and presence of a live performance. Sierra Denali features a standard Bose® 7-speaker audio system with subwoofer.
The Color Touch radio with IntelliLink3 lets you experience your media like never before. Features include:
- Color Touch screen
- Natural Language voice command
- Customizable ‘Favorites’ so you can save albums, songs, artists, destinations and contacts
OnStar offers an available 4G LTE built-in Wi-Fi® hotspot that helps you stay connected to the internet on the go. It’s available and ready to connect to your devices, giving you an integrated and customizable in-vehicle experience.
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 Denali’s advanced technologies pair intelligent engineering with driver-centric safety. These available technologies include Forward Collision Alert and Lane Departure Warning. Sierra is the first pickup to offer these technologies, which let you know when you may be approaching another vehicle too quickly or if you’ve left your driving lane. Both provide visual alerts and allow you to choose from additional audible signals or seat vibrations as well.
The standard Rear Vision Camera displays a view of what is behind you on the radio screen, helping to provide clarity and peace of mind while you maneuver and park your Sierra Denali.