2015 GMC Sierra 2500HD Denali
2015 GMC Sierra 2500HD Denali OVERVIEW 
2015 GMC Sierra 2500HD Denali For Sale
Take one look inside the new 2015 GMC Sierra 2500 Denali HD and you’ll see clearly why this is the new standard in truck interiors. Sierra’s interior brings comfort, refinement and convenience to a whole new level.
- Front full-feature leather-appointed bucket seats
- Heated and cooled front row seating
- Power-adjustable pedals
- Dual-zone automatic climate control air conditioning
- Bose® sound system
- Rear Vision Camera
GMC Sierra 2500HD Denali For Sale
2015 GMC Sierra 2500HD Denali PERFORMANCE 
DURAMAX DIESEL 6.6L V8 TURBO
The advanced DURAMAX diesel in the Sierra 2500 Denali HD delivers 397 hp and 765 lb-ft of torque, making it the most powerful Sierra ever. The DURAMAX Diesel engine has a strong reputation and a proven track record with nearly 1.4 million sold since 2000. Paired with the sophisticated Allison® 1000 Series Transmission with overdrive, this available powertrain also offers a maximum highway range of up to 680 miles on a single fill-up.
DURALIFE™ BRAKE ROTORS
This ferritic nitrocarburizing technology is a GM-exclusive patented process that hardens and strengthens brakes. Duralife® protects against corrosion and can double the life of the brakes compared to conventional rotors.
ALLISON 1000 SERIES TRANSMISSION
The enhanced Allison 1000 is designed to handle the higher torque capability of the 6.6L DURAMAX engine, while also helping improve fuel economy and provide seamless assistance with the exhaust brake system.
SUSPENSION
Sierra 2500 Denali HD delivers a smoother ride with a fully independent coil-over-shock front suspension and 3″-wide multistage rear leaf springs, which engage progressively as the load in the bed or the hitch increases.
2015 GMC Sierra 2500HD Denali APPEARANCE 
UNMATCHED CARGO BOX INNOVATION
The 2015 GMC Sierra 2500 Denali HD shows how our “Never Say Never” approach to engineering can transform working harder into working smarter.
STANDARD SPRAY-ON BEDLINER
Keep your Sierra 2500 Denali HD looking just as good outside as it does in with our high-performance bedliner. It helps to protect your truck bed from scratches, dents, and corrosion by providing it with a durable, watertight seal.
ATTENTION TO DETAIL
It’s the little things that set the new Sierra 2500 Denali HD apart, taking Denali style to an unparalleled level of refinement.
2015 GMC Sierra 2500HD Denali COMFORT 
A NEW STANDARD OF QUIET
Sierra 2500 Denali HD’s cabin is engineered to provide you and your passengers with a noticeably quiet interior.
CRAFTSMANSHIP
Detailed craftsmanship, driver-centric design, and quality appointments make the new Sierra 2500 Denali HD a cut above other trucks.
COMFORT & CONVENIENCE
From the exceptional storage space in the center console, to comfort and convenience features, Sierra 2500 Denali HD is designed to give you the comfort you deserve and the flexible functionality you need.
DENALI CUSTOMIZABLE DRIVER DISPLAY
The 2015 Sierra 2500 Denali HD puts absolute control at your fingertips. The standard reconfigurable 8″ diagonal display in the instrument cluster provides an intuitive way to customize your vehicle information and media displays.
2015 GMC Sierra 2500HD Denali SAFETY & WARRANTY 
PRO GRADE PROTECTION
- 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
- 5-year / 100,000-mile Powertrain Limited Warranty
- 3-year / 36,000-mile Corrosion Protection
- 6-year / 100,000-mile Rust-Through Protection
- 5-year / 100,000-mile Roadside Assistance
- 2-year / 24,000-mile Maintenance
SEGMENT-FIRST DRIVER ALERT TECHNOLOGIES
Sierra 2500 Denali HD’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.
SAFE & CONNECTED: ONSTAR
Available on most Sierra models is a 6-month trial subscription to the OnStar12 Directions & Connections Plan. The plan includes:
- Automatic Crash Response
- Turn-by-Turn Navigation13
- Roadside Assistance