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
- Five years/60,000 miles of powertrain coverage (including the EV drive unit)
- Eight years/100,000 miles of EV coverage (including the battery and other miscellaneous “electric propulsion” 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.
Now, when you purchase a CPO Hummer EV, you’ll get one of two CPO warranties, depending on which CPO program your dealer used when certifying the vehicle:
- For CarBravo Certified, you get 12 months/12,000 miles of additional bumper-to-bumper protection.
- For GM Certified, you get 12 months/12,000 miles of additional bumper-to-bumper protection and a six-year/100,000-mile powertrain warranty (which essentially boosts your factory warranty by one additional year/40,000 miles).
Neither CPO warranty will extend your eight-year/100,000-mile battery warranty, but at least you’ll get some added protection for the electric motor (which is covered under the powertrain warranty).
» 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 six model years old
- Have fewer than 75,000 miles
- Pass a 172-point vehicle inspection
- Have no accidents on its record
- All safety recalls must be met
A Hummer EV may not qualify as a CPO if the inspection reveals signs of cosmetic damage, aftermarket modifications, deep-water immersion, collision damage or defects in the materials or workmanship.
CPO Hummer EV benefits
CarBravo and GM Certified Hummer EVs come with similar benefits to other certified GMC vehicles, with only minor tweaks specific to EVs. Benefits for each program include:
- 24/7 roadside assistance, including lockout services, flat tire change (with your spare), battery jump-starts and towing to the nearest licensed GMC dealer or charging station.
- Courtesy transportation including loaner vehicles or rental car assistance if none is available.
- A three-day/150-mile exchange policy which allows you to exchange your Hummer EV for a different Chevrolet, Buick or GMC on the lot.
- Two scheduled maintenance visits that would normally include oil changes, but for a Hummer EV, “it typically includes a multi-point inspection, fluid top off and diagnostics of the computer system” a GMC dealer told us.
- Miscellaneous extras, including an OnStar trial, SiriusXM trial and vehicle history report.
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/150,000-mile battery warranty. So you may get superior warranty coverage from a used Rivian than from a CPO Hummer EV.
Tesla also 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 extension to the four-year/50,000-mile factory warranty.
Genesis and Porsche also offer longer warranties with their CPO EVs. The only competitor that can’t outpace a GMC Hummer is Ford since its EVs also come with a three-year/36,000-mile warranty from the factory and a one-year/12,000-mile CPO extension. Hummer actually has a small leg up on Ford, since it includes one extra year of powertrain protection.
But overall, if you’re looking for an electric luxury SUV with maximum warranty protection, you might want to consider a Rivian or a Tesla. Alternatively, you could purchase a separate extended warranty protection plan for a pre-owned Hummer EV.
| Make | Additional CPO warranty coverage |
|---|---|
| Hummer EV (GMC) | One-year/12,000-mile bumper-to-bumper*, six-year/100,000-mile powertrain** |
| Chevrolet | One-year/12,000-mile bumper-to-bumper*, six-year/100,000-mile powertrain** |
| Ford | One-year/12,000-mile bumper-to-bumper* |
| 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. According to Edmunds, an online auto marketplace, there are currently 246 used Hummer EVs for sale nationwide with an average asking price of $101,790. There are only four available CPO vehicles, with an average asking price of $93,912.
That’s an extremely small sample size of CPO Hummer EVs. While it does suggest that the average cost of a CPO Hummer EV can be lower than 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 172-point inspection and will receive either the CarBravo or GM Certified CPO warranty plans.
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
Three years into production, CPO Hummer EVs are both rare and expensive. For now, you’ll probably find better deals and a better selection by looking at regular pre-owned models instead.
GM will also sell you an extended warranty that may offer a lower price and better coverage compared to CPO warranties. 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 with a separate inspection and extended warranty seems to be the more cost-effective option than buying it CPO.
FAQ
How much does a certified pre-owned Hummer EV cost?
The average asking price for a certified pre-owned Hummer EV is $93,912.
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 and a six-year/100,000-mile powertrain warranty from the vehicle’s original in-service date.
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, the eight-year/100,000-mile battery warranty 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 June 15, 2026.
- CarBravo, “Welcome to Being a CarBravo Owner.” Accessed June 15, 2026.
- CarBravo, “Coverage for Every Ride.” Accessed June 15, 2026.
- GMC, “GMC Electric Vehicle Limited Warranty and Owner Assistance Information.” Accessed June 15, 2026.
- GMC, “GMC Vehicle Warranty and Protection Plans.” Accessed June 15, 2026.
- GMC, “Certified Pre-Owned Benefits.” Accessed June 15, 2026.







