What General Motors Certified Pre-Owned Cars Are

General Motors Certified Pre-Owned (CPO) vehicles are used cars that GM has inspected, reconditioned, and approved for resale through GM dealerships. These are not new cars, but they are not random used cars either — GM has put them through a specific inspection process and backs them with a warranty that extends beyond what you typically get when buying from a private seller or a non-certified dealer lot.

The program covers vehicles sold under the Chevrolet, GMC, Buick, and Cadillac brands. A car must meet GM's age and mileage requirements to enter the program, and it must pass a multi-point inspection before it can be marketed as certified. The goal is to give buyers some of the cost savings of used cars while reducing the risk that comes with unknown vehicle history.

Key Takeaways

  • GM Certified Pre-Owned vehicles must pass a 172-point inspection and be no older than a specific model year (typically six years or newer, though this varies by brand and current year).
  • The warranty covers powertrain components for up to 100,000 miles or six years from the original purchase date, whichever comes first, and includes roadside information.
  • You can only buy a GM CPO vehicle from an authorized GM dealership, not from independent dealers or private sellers.
  • The inspection report and vehicle history are available to you before purchase, so you can see what was checked and what repairs were made.
  • CPO vehicles cost more than comparable non-certified used cars but typically less than new models of the same year and trim.

The Inspection and Reconditioning Process

Every GM Certified Pre-Owned vehicle goes through a 172-point inspection performed by GM-trained technicians at authorized dealerships. This inspection covers the engine, transmission, suspension, brakes, electrical systems, interior components, and exterior condition. The dealership documents what they find and what they repair.

If a vehicle fails the inspection or needs work to meet GM's standards, the dealership performs the repairs before the car is certified. Common repairs include replacing worn brake pads, fixing fluid leaks, replacing worn wiper blades, or addressing electrical issues. The dealership absorbs the cost of these repairs — you do not pay for the inspection or reconditioning work.

After repairs are complete, the vehicle is recertified and listed for sale. You can request to see the inspection report and the list of repairs that were made, which gives you a clear picture of the car's condition before you buy it.

Warranty Coverage and What It Includes

GM Certified Pre-Owned vehicles come with a powertrain warranty that covers the engine, transmission, transfer case, and drivetrain. This warranty lasts for up to 100,000 miles or six years from the original purchase date, whichever comes first. If a covered component fails during this period, GM or an authorized dealership will repair or replace it at no cost to you.

The warranty also includes roadside information for the duration of the coverage period. If you break down, you can call for towing, lockout service, fuel delivery, or battery service. The dealership can provide the specific phone number and details when you purchase the vehicle.

The warranty does not cover wear items like brake pads, wiper blades, or filters, and it does not cover damage from accidents, neglect, or misuse. Some dealerships offer extended coverage or additional plans for a separate cost, but the base CPO warranty is included in the purchase price.

Age and Mileage Requirements

GM Certified Pre-Owned vehicles must meet age and mileage thresholds to may have access to for the program. Generally, a vehicle must be no older than six model years from the current year, though this can vary depending on the brand and the current market. For example, in 2024, a vehicle from model year 2018 or newer might may have access to, but the exact cutoff changes each year.

Mileage limits also explore. Most GM CPO vehicles have fewer than 100,000 miles on the odometer, though some may have slightly higher mileage depending on the specific vehicle and brand. The dealership can tell you the exact requirements for the model year and brand you are interested in.

These requirements exist to may support that only vehicles in reasonably good condition enter the program. A car that is too old or has too many miles may not meet GM's standards for certification, even if it runs well.

Where to Buy and How Pricing Works

You can only purchase a GM Certified Pre-Owned vehicle from an authorized GM dealership — Chevrolet, GMC, Buick, or Cadillac dealers depending on the brand. You cannot buy a CPO vehicle from an independent used-car lot, an online marketplace, or a private seller, because only authorized dealerships can certify vehicles under GM's program.

Pricing for CPO vehicles falls between used cars sold by non-certified dealers and new cars of the same model. The exact price depends on the vehicle's age, mileage, condition, trim level, and local market demand. You can compare prices across dealerships in your area, and you can negotiate just as you would with any other car purchase.

Many dealerships offer financing through GM Financial or other lenders, and some offer trade-in options if you have a vehicle to sell. Ask the dealership about current promotions or incentives for CPO purchases, as these vary by location and time of year.

Comparing CPO to Other Used-Car Options

A GM Certified Pre-Owned vehicle offers more protection than a typical used car from a private seller or independent dealer, but it costs more. A private-party used car may have no warranty at all, or only a limited one from the seller. An independent dealer's used car may come with a short warranty, but the inspection and reconditioning standards are not standardized the way GM's are.

A new GM vehicle costs more than a CPO vehicle but comes with a longer, more comprehensive warranty and the latest technology and safety features. A CPO vehicle is a middle ground — you save money compared to new, but you get more assurance than a random used car.

If you are deciding between a CPO vehicle and a used car from another source, consider how long you plan to keep the car, how much mileage you expect to drive, and how much risk you are comfortable taking. The warranty and inspection report for a CPO vehicle reduce uncertainty, which has value even if the upfront price is higher.

What to Check Before You Buy

Before you finalize a purchase, review the inspection report in detail. Ask the dealership to explain any repairs that were made and any issues that were noted but not repaired (if any). Request the vehicle history report, which shows past ownership, accident history, and service records.

Take the vehicle for a test drive and pay attention to how it handles, how the brakes feel, and whether any warning lights appear on the dashboard. Listen for unusual noises from the engine or transmission. If something does not feel right, ask the dealership to have a technician take another look.

Confirm the warranty details in writing before you sign the purchase agreement. Make sure you understand what is covered, how long the coverage lasts, and what you need to do if a covered component fails. Ask whether the warranty transfers to a second owner if you sell the car later, as this affects the car's resale value.

Frequently Asked Questions

Can I buy a GM Certified Pre-Owned vehicle online?

Some GM dealerships offer online shopping and delivery options, but you must still purchase through an authorized dealership. You cannot buy a CPO vehicle from a third-party online marketplace. Contact a local GM dealership to ask whether they offer online purchasing or delivery to your home.

What happens if a covered component fails after I buy the car?

Contact any authorized GM dealership and explain the problem. They will diagnose the issue and, if it is covered under the powertrain warranty, perform the repair at no cost. You do not have to return to the dealership where you bought the car — any authorized GM dealership can handle warranty work.

Does the CPO warranty cover routine maintenance like oil changes?

No. The warranty covers powertrain components only, not wear items or routine maintenance. You are responsible for oil changes, filter replacements, tire rotations, and other scheduled service. Some dealerships offer maintenance plans for an additional cost.

Can I return a CPO vehicle if I change my mind?

Return policies vary by dealership and state. Some dealerships offer a short return window (typically three to seven days), while others do not. Ask about the dealership's return policy before you sign the purchase agreement, and request the details in writing.

Is a CPO vehicle a good choice if I plan to keep the car for many years?

Yes, if the vehicle has relatively low mileage when you buy it. The powertrain warranty covers up to 100,000 miles or six years, so if you buy a CPO car with 40,000 miles, you have coverage for up to 60,000 more miles. After the warranty expires, you are responsible for repairs, so factor in potential maintenance costs for older vehicles.