GMC Hummer EV SUV problems

Owners have filed 28 complaints about the GMC Hummer EV SUV with NHTSA across model years 2024 to 2025. More of them are about the electrical system than anything else.

Every GMC Hummer EV SUV year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

15 13

24 25

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

Year	Grade	Complaints	Crashes	Fires	Median miles	Most reported
2025	—	13	0	0	—	Driver Assist & Collision Avoidance
2024	—	15	3	0	—	Electrical System

What breaks on a GMC Hummer EV SUV

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 6 21.4%

Worst in 2024

Steering 4 14.3%

Worst in 2024

Driver Assist & Collision Avoidance 4 14.3%

Worst in 2025

Brakes 3 10.7%

Worst in 2024

Suspension 2 7.1%

Worst in 2025

Other & Unspecified 2 7.1%

Worst in 2024

Engine & Cooling 1 3.6%

Worst in 2025

Transmission & Drivetrain 1 3.6%

Worst in 2025

Body & Structure 1 3.6%

Worst in 2024

Acceleration & Cruise Control 1 3.6%

Worst in 2024

Fuel & Propulsion 1 3.6%

Worst in 2025

Windows, Mirrors & Wipers 1 3.6%

Worst in 2024

Seat Belts 1 3.6%

Worst in 2025

Complaints filed over time

Every complaint about every GMC Hummer EV SUV, by the month it reached NHTSA.

Nov 2023 peak 4 Jul 2026

Compare the GMC Hummer EV SUV

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.

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