Legally reviewed by: Jessica Anvar Stotz, JD, MBA

A warranty serves as a promise from the manufacturer, ensuring that your vehicle is free from defects and will perform optimally for a certain period of time.

It provides peace of mind, knowing that if something goes wrong due to a manufacturing defect, the cost of repairs will be covered. This guide will walk you through the specifics of the GMC warranty for 2023 models, helping you understand what is covered, what isn’t, and how to get the most out of your warranty.

Warranty TypeCoverage DurationCoverage Details
Bumper to Bumper3 years or 36,000 milesCovers the whole vehicle, including parts and labor
Powertrain5 years or 60,000 milesCovers systems and components of the powertrain
Emissions2 years or 24,000 miles (certain components: 8 years or 80,000 miles)Covers components related to emissions
Corrosion3 years or 36,000 milesCovers all body and sheet metal components against corrosion
Restraint Systems6 years or 72,000 milesCovers repair or replacement of seatbelt or airbag systems
Rust-Through6 years or 100,000 milesCovers all rusted-through body and sheet metal components
Electric Vehicle8 years or 100,000 milesProvides coverage for up to 1,500 parts
gmc warranties

GMC New Car Warranty: What’s covered?

A GMC factory warranty includes the bumper-to-bumper limited warranty, the powertrain limited warranty, emissions-related coverage, as well as corrosion/rust-through coverage. Here’s a summary of the coverage provided under the GMC manufacturer warranty:

GMC Bumper to Bumper Warranty

This warranty provides coverage for the whole vehicle, encompassing parts and labor, to correct any faults in materials or workmanship for a period of 3 years or 36,000 miles, depending on which milestone is reached first.

GMC Powertrain Warranty

This warranty covers the systems and components of the powertrain such as the engine, transmission, and drive systems. The duration of this warranty is typically 5 years or 60,000 miles.

GMC Emissions Warranty

For light-duty cars or trucks, components related to emissions are covered under warranty for either 2 years or 24,000 miles, depending on which limit is reached first. Certain specific emissions-related components have a warranty period of 8 years or 80,000 miles, again subject to whichever limit is reached first.

GMC Corrosion Warranty

This specific warranty provides coverage for all body and sheet metal components against corrosion. The coverage typically lasts for 3 years or 36,000 miles, whichever comes first.

GMC Restraint Systems Warranty

This warranty covers the repair or replacement of any seatbelt or airbag system supplied by General Motors that has flaws in materials or workmanship. The coverage lasts for either 6 years or 72,000 miles, depending on which limit is reached first.

GMC Rust-Through Warranty

The GMC frame rust warranty covers all rusted-through body and sheet metal components for the standard six years or 100,000 miles.

GMC Electric Vehicle Warranty

The GMC EV Protection Plan it provides coverage for up to 8 years or 100,000 miles, on up to 1,500 parts. Please note that these warranties are fully transferable to new owners.

gmc new car warranty

What is NOT covered under the GMC Manufacturer Warranty?

The GMC Manufacturer Warranty does not cover the following:

  • Damage resulting from these elements is not included in the warranty coverage.
  • Wear-and-tear parts: Components such as brake pads, windshield wipers, and batteries are not covered under the warranty.
  • Environmental damages: The warranty does not cover damage from hail, floods, or other environmental conditions.
  • Damage due to bedliners, collision, fire, theft, freezing, vandalism, or objects striking the vehicle: These types of damages are typically covered by car insurance, not the manufacturer’s warranty.

Please refer to the warranty manual for a full list of what is and what is not covered. Other exclusions may apply.

What is covered under the GMC CPO Warranty?

The GMC Certified Pre-Owned (CPO) Warranty provides the following coverage:

  1. CPO Bumper-to-Bumper Limited Warranty: This warranty is for 12 months or 12,000 miles, whichever comes first. It is fully transferable with a $0 deductible. This is in addition to any remaining original factory Bumper-to-Bumper warranty.
  2. CPO Powertrain Limited Warranty: This warranty extends the original 5-year or 60,000-mile powertrain warranty to 6 years or 100,000 miles, calculated from the vehicle’s original in-service date. There is a $0 deductible for warrantable repairs that are required as a result of defects due to material and/or workmanship to the powertrain components.
  3. CPO Scheduled Maintenance Program: All Certified Pre-Owned Chevrolet, Buick, and GMC vehicles come with the CPO Scheduled Maintenance Program. It provides peace of mind by covering the following routine maintenance services:
  • Oil and Oil Filter Changes
  • Tire Rotations
  • Multi-Point Vehicle Inspections

Please note that items that are normally considered “Maintenance and Wear” are excluded from warranty coverage. For a full list of what is and what is not covered, you should refer to the CPO Owner’s Guide.

What is a GMC Extended Warranty?

A GMC Extended Warranty, also known as the GMC Protection Plan, is an optional coverage plan that you can purchase in addition to your vehicle’s manufacturer’s warranty. It offers comprehensive coverage endorsed by GMC and backed by General Motors. Key features of the GMC Extended Warranty include:

  • Three coverage options: Powertrain, Silver, and Platinum.
  • Depending on the plan you choose, your vehicle could be covered for as many as 1,500 parts.
  • The Plan coverage runs concurrently with any relevant manufacturer warranties.

This extended warranty helps protect your investment by covering unexpected repairs that can be costly.

GMC Warranty Customer Service Information

If you have any questions or need assistance with your GMC Warranty, you can reach out to GMC’s customer service through the following channels:

Contact MethodDetails
PhoneCall GMC’s Warranty customer service at 1-800-462-8782. For the hearing and speech impaired, call the Telecommunication Relay service at 711.
Hours of OperationMonday – Saturday: 8 a.m. to 9 p.m. (EST). Sunday: Closed.
Online MessagingReach out to GMC’s customer service via messaging. Use the ‘message us’ button at the bottom of the page on their website. The messaging service is available from Sunday to Saturday, 8 a.m. to 11 p.m. EST.

Please note that these contact details are subject to change. Always check the website for the most current information.

GMC Latest Vehicles Line Up

GMC is a division of the American automotive manufacturer, General Motors.  GMC is known for making trucks and utility vehicles. GMC currently manufacturers pickup trucks, SUVs, vans, and light-duty trucks. Some of their recent vehicles include:

SUVTerrainApproximately $29,000
SUVAcadiaApproximately $37,000
SUVYukonApproximately $58,000
SUVYukon XLApproximately $65,000
SUVHummer EVApproximately $98,000
TruckCanyonApproximately $36,000
TruckSierraApproximately $70,000
TruckHummer EV PickupApproximately $97,000
VansSavana CargoApproximately $40,000
VansSavana PassengerApproximately $42,000

Having repeat problems with your vehicle under a GMC warranty? The Lemon Law Experts Can Help!

Understanding your GMC warranty is the first step in making sure your vehicle gets the protection and maintenance it deserves. But, if you are starting to think your GMC vehicle might be a lemon, knowing your rights and what to do next is crucial.

If have any questions about a vehicle you have leased or purchased in California, do not hesitate to reach out to the Lemon Law Experts. As one of the leading lemon law firms in the state, our team holds the expertise and experience to help you get the best case results possible. If you have questions about your GMC warranty or any other issue, contact the Lemon Law Experts today.