Hummer EV CPO warranty coverage
Whether you’re considering the Hummer EV Pickup or SUV, all brand-new Hummer EVs come with the following factory warranty:
Three years/36,000 miles of bumper-to-bumper coverage
Eight years/100,000 miles of EV propulsion battery coverage
GMC does not provide a separate powertrain warranty for EVs. However, the bumper-to-bumper factory warranty or EV propulsion battery limited warranty may cover certain electric drive components.
The warranty coverage clock starts on the original in-service date, which is the day the vehicle was first sold or leased new. Like most factory warranties, the coverage follows the vehicle, not the owner, so if you buy a used Hummer EV, you may inherit some coverage. For example, a one-year-old model with 10,000 miles will still have two years/26,000 miles of bumper-to-bumper coverage left on it.
When you purchase a CPO Hummer EV, you’ll get a CPO warranty through CarBravo, which merged with the GM Certified program in June 2026. The same CPO warranty structure applies to both the Hummer EV pickup and Hummer EV SUV.
This warranty provides 12 months/12,000 miles of additional bumper-to-bumper protection. However, it won’t extend your eight-year/100,000-mile battery warranty. The EV battery is not included under the bumper-to-bumper coverage, although the EV drive unit and other EV components are.
The bumper-to-bumper limited warranty covers most vehicle components, including your Hummer’s electrical system, brakes, steering, suspension and air conditioner. Note that CPO warranties typically do not cover tires, other wear-and-tear items, maintenance items, cosmetic issues, battery degradation, pre-existing damage or any stated non-covered components.
» MORE: Learn what components are typically covered
Hummer EV CPO warranty eligibility and requirements
Shopping for a pre-owned vehicle comes with some risk. Pre-owned Hummer EVs must meet the following requirements to be eligible for the CPO certification:
No more than 10 model years old
Have fewer than 100,000 miles
Pass a 126-point vehicle inspection
Complete all safety recalls
A Hummer EV may not qualify as a CPO if the inspection or vehicle history report reveals signs of frame damage, deep water immersion, salvage title or defects in the materials or workmanship.
CPO Hummer EV benefits
GM Certified Hummer EVs come with similar benefits to other certified GMC vehicles, including:
24/7 roadside assistance, including lockout services, flat tire change (with your spare), emergency fuel delivery, battery jump-starts and towing to the nearest licensed GMC dealer or charging station
Courtesy transportation including rental car assistance
No deductible for warranty service appointments
Extra perks, including an OnStar trial, a SiriusXM trial, a vehicle history report and GM Rewards points
Overall these are decent benefits for a CPO program. However, unlike some CPO warranties, the Hummer EV CPO warranty is not transferable to a subsequent owner.
How does Hummer EV’s CPO warranty compare?
Hummer’s CPO warranty is slightly below average compared with its closest competitors.
Rivian doesn’t officially have a CPO program yet, but the R1S — arguably the Hummer EV’s closest competitor on the market — comes with a four-year/50,000-mile bumper-to-bumper warranty from the factory and an eight-year/120,000-mile battery and drive system warranty. (Quad-motor setups and certain other trims get even more.) So you may get superior warranty coverage from a used Rivian than from a CPO Hummer EV.
Genesis and Porsche also offer longer warranties with their CPO EVs, while Ford adds additional powertrain coverage for its Blue Advantage Gold Certified CPO vehicles. Chevrolet’s CPO program is also part of CarBravo, so its coverage is identical to GMC’s.
The only competitor that can’t always outpace a GMC Hummer is Tesla. Like Rivian, Tesla doesn’t have an official CPO program yet, but all pre-owned vehicles sold directly by Tesla come with a one-year/10,000-mile warranty that begins on the used purchase date or when the four-year/50,000-mile factory warranty expires.
Hummer actually has a small advantage over Tesla if the vehicle is four or more years old, since its CPO EVs come with 2,000 more miles of bumper-to-bumper protection than pre-owned Teslas. However, if you compare a three-year-old CPO Hummer with a three-year-old Tesla, the Tesla would come out ahead because it would still have one year of factory warranty left. (Remember that the GMC factory warranty is only three years long, whereas Tesla’s is four.)
Overall, if you’re looking for an electric luxury SUV with maximum warranty protection, you might want to consider a Rivian. Thankfully, you can still buy separate extended warranty protection for a Hummer EV.
| Make | Additional CPO warranty coverage |
|---|---|
| Hummer EV (GMC) | One-year/12,000-mile bumper-to-bumper* |
| Chevrolet | One-year/12,000-mile bumper-to-bumper* |
| Ford |
1-year/12,000-mile bumper-to-bumper warranty*, 7-year/100,000-mile powertrain warranty** |
| Tesla | One-year/10,000-mile bumper-to-bumper* |
| Genesis |
Six-year/75,000-mile limited**, 10-year/100,000-mile powertrain** |
| Porsche | Two-year/unlimited-mile bumper-to-bumper* |
Is a CPO Hummer EV worth it?
For starters, it’s important to note that there aren’t a ton of CPO Hummer EVs available on the market, compared to certified pre-owned Hummer EVs. According to Edmunds, an online auto marketplace, there are 180 non-CPO used Hummer EVs for sale nationwide as of publishing, with an average asking price of $76,616. On CarBravo, there are only 20 available CPO vehicles, with an average asking price of $77,077.
That’s an extremely small sample size of CPO Hummer EVs. While it does suggest that the average cost of a CPO Hummer EV may be nearly identical to a used model, the difference in sample size makes it difficult to gauge an accurate comparison based solely on price.
While price is important, it is just one piece of the equation. If you’re considering buying a CPO Hummer EV, you’ll have the knowledge that the vehicle has a clean record, has passed a multi-point inspection and will receive the CarBravo CPO warranty plan.
Alternatively, you could look into used Hummer EVs. With a larger pool of options, you may find a superior price depending on the vehicle’s age, mileage and features. For added peace of mind, you could find a company that does a pre-purchase inspection on an EV for around $200, which includes a diagnostic test and a battery health check.
Plus, GM itself will sell you an extended warranty on your Hummer EV. So if you’re truly keen on buying a Hummer EV, let’s look at your extended warranty options and pricing before wrapping up.
CPO vs. extended warranties for Hummers
That’s an extremely small sample size of CPO Hummer EVs. While it does suggest that the average cost of a CPO Hummer EV may be nearly identical to a used model, the difference in sample size makes it difficult to gauge an accurate comparison based solely on price.
GMC’s extended warranty offers a variety of coverage levels, along with a choice of term lengths up to 96 months and deductible options ranging from $0 to $250. According to one dealer we spoke with, GM will add one year/12,000 miles to your Hummer’s factory coverage for $2,175 or two years/24,000 miles for $3,255.
Extended warranties are also negotiable since dealers often bake hidden commissions into the price. To try negotiating a lower out-the-door cost for your warranty (and your Hummer EV in general), check out step eight of our guide to buying a used car.
All things considered, buying a pre-owned Hummer EV, then paying for a separate inspection and extended warranty seems to be slightly pricier on average but is likely to give you a wider choice of vehicles than buying CPO.
FAQ
How much does a certified pre-owned Hummer EV cost?
The average asking price for a certified pre-owned Hummer EV is around $77,000 at the time of publishing.
What is the warranty on GMC certified pre-owned cars?
GMC certified pre-owned vehicles come with a one-year/12,000-mile bumper-to-bumper warranty through CarBravo.
Does GMC warranty transfer to the second owner?
Yes, factory warranties on GMC vehicles transfer with the vehicle itself, not the owner, so second owners can benefit from any remaining coverage.
Are EV batteries covered under GMC’s CPO?
No, EV battery warranty for GMC vehicles is factory-issued and not extended by CPO certification. However, remaining factory coverage on the battery still applies.
How do I check my Hummer EV's remaining warranty?
You can check your remaining warranty by contacting a GMC dealership with your vehicle identification number (VIN) or logging into GMC’s online owner center.
Article sources
ConsumerAffairs writers primarily rely on government data, industry experts and original research from other reputable publications to inform their work. Specific sources for this article include:
Edmunds, “Used Certified Pre-Owned Hummer EV for Sale.” Accessed Sept. 4, 2026.
GMC, “GMC Vehicle Warranty and Protection Plans.” Accessed Sept. 4, 2026.
CarBravo, “Coverage for Every Ride.” Accessed Sept. 4, 2026.
CarBravo, “CarBravo Warranty Coverage and Owner’s Assistance Manual.” Accessed Sept. 4, 2026.
GMC, “GMC Electric Vehicle Limited Warranty and Owner Assistance Information.” Accessed Sept. 4, 2026.
GMC, “What Is the Expected EV Battery Lifespan?” Accessed Sept. 4, 2026.
