Most common 2026 GMC Sierra EV problems
Share of the 5 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Sierra EV complaints by model year
2026 GMC Sierra EV recalls (4)
Tires › Temporary/emergency spare tire
General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado EV and GMC Sierra EV vehicles. A manufacturing defect may result in the steel wheels cracking at the disc vent holes.
Remedy: Dealers will inspect and replace the wheels as necessary, free of charge. Owner notification letters were mailed September 23, 2026.
Electrical system › Propulsion system › Traction battery
General Motors, LLC is recalling certain 2026 Cadillac Escalade IQ, Escalade IQL, GMC Sierra EV, Chevrolet Silverado EV, and 2022 GMC Hummer EV Pickup vehicles. The high voltage battery may have an improperly secured internal module component.
Remedy: Dealers will replace the high voltage battery, free of charge. Owner notification letters were mailed August 24, 2026. Owners may contact Cadillac customer service at 1-800-333-4223, GMC customer service at…
Equipment › Other › Owners/service/other manual
General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible…
Remedy: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner's manual, free of charge. Owner notification letters were mailed April 16, 2026.
Electronic stability control (ESC) › Control module › Software
General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado EV and GMC Sierra EV electric vehicles. After experiencing an electronic stability control (ESC) system malfunction, the ESC malfunction warning light may not illuminate on the next key cycle.
Remedy: The EBCM software will be updated by a dealer, or through an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed October 15, 2025.
2026 GMC Sierra EV engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined | Range |
|---|---|---|---|---|
| Electric | Single-speed | 4WD | 75 / 61 / 68 MPGe | 410 mi |
EPA ratings. Class: Full-size pickup.
Frequently asked questions
Is the 2026 GMC Sierra EV a good car?
Based on 5 owner complaints filed with NHTSA, the 2026 Sierra EV rates few complaints: 1.7× as many complaints as a typical year of the Sierra EV at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2026 GMC Sierra EV?
The suspension — 2 complaints, 40% of all complaints for this model year. Next are the stability & traction control (1) and brakes (1).
How many recalls does the 2026 GMC Sierra EV have?
There are 4 recalls for the 2026 GMC Sierra EV, the most recent from July 30, 2026 (temporary/emergency spare tire). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
At what mileage do 2026 GMC Sierra EV problems happen?
The median mileage reported in complaints is about 4,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.