2021 Nissan Sentra problems and complaints
Owners have filed 133 complaints with NHTSA about the 2021 Nissan Sentra. The most-reported areas: Forward Collision Avoidance (40), Steering (40), Electrical System (38).
Key takeaways
- 133 owner complaints on file with NHTSA.
- 15 involve a crash, 1 a fire, 9 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Forward Collision Avoidance | 40 | 30% |
| Steering | 40 | 30% |
| Electrical System | 38 | 29% |
| Service Brakes | 24 | 18% |
| Unknown Or Other | 19 | 14% |
| Engine | 7 | 5% |
| Suspension | 6 | 5% |
| Vehicle Speed Control | 6 | 5% |
| Exterior Lighting | 6 | 5% |
| Wheels | 5 | 4% |
| Power Train | 4 | 3% |
| Lane Departure | 3 | 2% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2021 Nissan Sentra
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Nissan Sentra 4 DR FWD | 5/5 | 4/5 | 5/5 | 5/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Forward Collision Avoidance - filed 2026-10-23
The contact owns a 2021 Nissan Sentra. The contact stated that while her son was driving at approximately 30-35 MPH, a yellow triangle warning light illuminated, and the vehicle independently applied the brakes forcefully and made a sharp left turn. The vehicle then rolled over twice and landed upside down in a ditch. ...
Service Brakes,forward Collision Avoidance - filed 2026-09-30
I purchased this vehicle brand new in 2021. Since then, I have experienced a very concerning safety issue on multiple occasions involving the automatic emergency braking system. While driving normally, with the vehicle operating without any apparent problems, the emergency braking system has suddenly activated and war...
Suspension - filed 2026-09-09
My vehicle previously had the tie rod issue repaired under the original recall\. However, the same problem has now returned\. I am experiencing a sharp/clunking noise when turning left while the vehicle is moving, which is very concerning because this involves the vehicle’s steering and suspension\. I checked Nissan’s...
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More for the 2021 Nissan Sentra
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.