2026 Gmc SIERRA EV problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
4 owner complaints analyzed
4 distinct recall campaigns
4,000 mi median reported failure mileage
Scope: 2026 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Suspension is the most frequently named component, appearing in 2 of 4 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Suspension | 2 |
| Electronic Stability Control (Esc) | 1 |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 |
| Service Brakes | 1 |
| Vehicle Speed Control | 1 |
Suspension: 2; Electronic Stability Control (Esc): 1; Forward Collision Avoidance: Adaptive Cruise Control: 1; Service Brakes: 1; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2025 | 4 |
2025: 4
Pattern summary
Suspension leads the component reports. Braking behavior appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11703773 · 2025-12-08 (December 8, 2025)
Car rolls after parking brake is set. This happens on low hill grade and high hill grade parking location.
Owner-reported narrative. Look up ODI 11703773 at NHTSA ↗
Owner report 11707327 · 2025-12-28 (December 28, 2025)
Component/system malfunctioned: Adaptive Cruise Control integrated with Traffic Sign Recognition/Speed Limit Assist (camera-based speed sign detection and automatic speed adjustment). Vehicle available for inspection upon request. While driving ~35 mph in 35 mph zones with Adaptive Cruise Control engaged, the system repeatedly misread speed signs (or GPS data) as much higher (e.g., 75 mph). The vehicle then automatically accelerated aggressively toward the incorrect higher speed without driver accelerator input. Acceleration is sudden and stron…
Owner-reported narrative. Look up ODI 11707327 at NHTSA ↗