GMC Pro-Grade Protection

Purchase a New GMC and receive the GMC Pro-Grade Protection. The GMC Pro-Grade Protection offers true protection with warranty services.

GMC Warranty and Protection | McHenry, IL
  • 3-Year/36,000-Mile Bumper-To-Bumper Warranty^
  • 5-Year/60,000-Mile Powertrain Warranty^
  • 5-Year/60,000-Mile Roadside Assistance^
  • 5-Year/60,000-Mile Courtesy Transportation^
  • GMC 6-Year/100,000-Mile Corrosion Protection^
  • Two Maintenance Visits (Within the First 2 Years or 24,000 Miles of Ownership)*
    ACDelco Oil and Filter Change
    4 Wheel Tire Rotation
    27 Point Vehicle Inspection
  • 3-Month Trial of OnStar Guidance Plan**
  • 5-Year OnStar Basic Plan^^

Buick Warranty Coverage

Purchase or lease a new Buick and your vehicle will be fully backed by Buick's no deductible New Vehicle Limited Warranty. Coverage begins at the time of delivery and is transferable to any new owner within the warranty period.

Buick Warranty Coverage | McHenry, IL
  • 4-year/50,000-mile Bumper-to-Bumper^
  • 6-year/70,000-mile Powertrain Limited Warranty with no deductible^
  • 6-year/70,000-mile 24/7 Roadside Assistance^
  • 6-year/70,000-mile Courtesy Transportation^
  • 8-year/100,000-mile eAssist Coverage

What Is Not Covered
All items are not covered for damage due to accident, misuse, alteration, insufficient or improper maintenance, contaminated or poor quality fuel, damage or corrosion due to chemical treatments or Aftermarket Products, impact, use or environment. For complete details, refer to your Warranty and Owner Assistance Information booklet. This is a supplement to the express conditions and warranties described in the Warranty and Owner Assistance Information booklet. Other coverages are not extended or altered due to this supplement. 

^Whichever comes first. See dealer for limited warranty details. *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. **Visit for coverage map, details and system limitations. OnStar acts as a link to existing emergency service providers. ^^Does not include emergency or security services. Visit for coverage map, details and system limitations.