2026 GMC Sierra 1500 problems and complaints
Owners have filed 84 complaints with NHTSA about the 2026 GMC Sierra 1500. The most-reported areas: Engine (59), Power Train (19), Electrical System (14).
Key takeaways
- 84 owner complaints on file with NHTSA.
- 1 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 59 | 70% |
| Power Train | 19 | 23% |
| Electrical System | 14 | 17% |
| Fuel/Propulsion System | 7 | 8% |
| Unknown Or Other | 5 | 6% |
| Tires | 2 | 2% |
| Service Brakes | 2 | 2% |
| Vehicle Speed Control | 2 | 2% |
| Engine And Engine Cooling | 1 | 1% |
| Communication | 1 | 1% |
| Fuel System | 1 | 1% |
| Gasoline | 1 | 1% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2026 GMC Sierra 1500
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2026 GMC SIERRA 1500 PU/CC N/A 4WD | 4/5 | 4/5 | 5/5 | 4/5 |
| 2026 GMC SIERRA 1500 PU/CC N/A RWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2026 GMC SIERRA 1500 PU/EC N/A 4WD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2026 GMC SIERRA 1500 PU/EC N/A RWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine And Engine Cooling - filed 2026-11-05
See attached document for complaint.
Electrical System - filed 2026-11-03
My radio continues to suddenly reduce volume by approximately 70%. The volume will then come back for a second, then back down again. This can go one for several hours while on a trip, then suddenly back to normal. I have owned this truck for less than 3 months and have about 2500 miles on it. I was informed by a G...
Tires - filed 2026-11-01
Subject: General Grabber Tire Failure at 13,464 Miles I am reporting a catastrophic General Grabber tire failure on my 2026 GMC Sierra at 13,464 miles\. I am concerned that the failure may involve a defect in materials or workmanship and am requesting that it be recorded and reviewed as a potential safety defect\. Th...
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More for the 2026 GMC Sierra 1500
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.