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Standard on every new 2018 GMC Sierra HD, GMC Pro Grade Protection has you truly protected with features and services including:

  • Two maintenance visits2
  • 3-year/36,000-mile Bumper-to-Bumper Limited Warranty3
  • 5-year/60,000-mile Powertrain Limited3
  • 5-year/60,000-mile Roadside Assistance and Courtesy Transportation3
  • 10 years of GMC Connected Access3 including select features of the myGMC Mobile4 App.
  • Enjoy a 1-month trial of GMC Connected Services and 1 month of OnStar Safety & Security Coverage.5

1. Guidance Plan trial does not include calling minutes. Services vary by device, model and conditions. OnStar acts as a link to existing emergency service providers. Visit onstar.com for vehicle availability, coverage map, details and system limitations.
2. 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.
3. Limitations apply. Not transferable. Standard connectivity available to original purchaser for ten years from vehicle delivery date for model year 2018 or newer GMC vehicles. See onstar.com for details and further plan limitations. Connected Access does not include emergency or security services. Availability and additional services enabled by Connected Access are subject to change.
4. Available on select Apple and Android devices. Service availability, features and functionality are subject to limitations and vary by vehicle, device, and the plan you are enrolled in. Device data connection required. Visit onstar.com for more details.

5. Model year 2018 and newer vehicles include: 1 month of OnStar Safety & Security Plan and 1 month of GMC Connected Services which include navigation services, Remote Access Plan, and 1 month or 3 gigabytes of 4G LTE data (whichever comes first) from vehicle delivery date. Services are subject to user terms and limitations. Visit onstar.com for more details. Data plans offered by AT&T. Availability subject to change.