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2013 GMC Sierra 3500HD Denali

Sierra 3500HD Denali’s signature exterior design cues are the very essence of Professional Grade confidence. Denali announces its presence with a unique chrome grille, chrome accents and available 20” polished aluminum wheels. Coupled with its bold stance and meticulous attention to detail, this Sierra makes a bold impression. From impressive capability to a smooth ride even underweight; from pure power to fuel management technology, Sierra 3500HD Denali is engineered to perform.


Features based on Sierra 3500HD Denali unless otherwise noted.

Safety and Security

  • Frontal, side-impact and head curtain side-impact air bags5 with rollover sensor (SRW models only)
  • Daytime Running Lamps with automatic lamp control
  • StabiliTrak® stability enhancement system
  • OnStar® 6-month Directions & Connections Plan6 with Turn-by-Turn Navigation


  • Full-feature leather-appointed front bucket seats, console
  • Heated and cooled front seats
  • Heated steering wheel
  • Power adjustable pedals
  • Bluetooth® wireless technology for select phones7
  • Compass, outside temperature
  • AM/FM stereo with MP3/6-disc CD player, USB port8, Bose® system, SiriusXM® Radio9 with 3-month trial, steering wheel controls
  • Driver Information Center
  • Remote Vehicle Starter System
  • Dual-zone automatic climate control
  • Cruise control

Engine Availability

  • Vortec 6.0L V8 with 360 horsepower and E85 FlexFuel10 capability
  • Duramax 6.6L Turbo Diesel V8 with 397 horsepower, 765 lb.-ft. of torque; B20-Diesel compatible


  • 6-speed automatic transmission with Tow/Haul mode
  • 2WD, automatic AWD or 4WD system
  • 4-wheel disc antilock brake system
  • Locking rear differential
  • Heavy-duty trailering equipment


  • Heated, power-fold rearview mirrors with turn signals, ground illumination, curb-tilt
  • P275/55R20 all-season tires
  • Chrome aluminum wheels
  • Ultrasonic Rear Parking Assist
  • EZ-Lift Tailgate Package


Options are available on certain models only. See your Ordering Guide for details.

  • Audio options: navigation11 system, rear seat DVD entertainment system, CD/DVD player
  • NavTraffic12
  • Rear Vision camera system
  • Power sunroof
  • Power sliding rear window
  • High Idle Switch
  • Allison 1000 6-speed automatic transmission (with Duramax)