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Standard on every new 2017 GMC Sierra Denali, GMC Pro Grade Protection has you truly protected with features and services including:

  • Two maintenance visits1
  • 3-year/36,000-mile Bumper-to-Bumper Limited Warranty2
  • 5-year/60,000-mile Powertrain Limited Warranty2
  • 5-year/60,000-mile Roadside Assistance and Courtesy Transportation2
  • 3-month trial of OnStar3 Guidance Plan
  • 5-year OnStar Basic Plan4

1. Maintenance visits must occur within two years or 24,000 miles of vehicle delivery, whichever comes first. Does not include air filters. See participating dealer for other restrictions and complete details.
2. Whichever comes first. See dealer for limited-warranty details.
3. Visit for coverage map, details and system limitations. OnStar acts as link to existing emergency service providers.
4. Does not include emergency or security services. Visit for coverage map, details and system limitations.