2021 NISSAN ALTIMA Problems
Real NHTSA owner complaints for the 2021 Nissan Altima. This model year has 59 NHTSA complaints — top issue: Forward Collision Avoidance: AEB.
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This page shows the model year's reputation. The VIN tells you about the specific car — accidents, title issues, odometer rollbacks, and open recalls.
Worst 2021 Nissan Altima Problems
Top 3 most-reported issues with average mileage at failure.
Forward Collision Avoidance: AEB
Electrical Faults
Brake System
Considering a 2021 Nissan Altima?
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer fraud. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2021 Nissan Altima. A single complaint may appear in multiple categories.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Forward Collision Avoidance: AEB | 21 | 3 | — | — | |
| Electrical Faults | 18 | 1 | 1 | — | |
| Brake System | 18 | 2 | 1 | — | |
| Uncategorized Issues | 10 | 1 | — | — | |
| Steering Defects | 6 | 1 | 1 | — | |
| Engine Problems | 4 | — | — | — | |
| Back Over Prevention | 4 | — | — | — | |
| Suspension Failures | 4 | — | — | — | |
| Seat-Related Issues | 3 | — | — | — | |
| Seat Belt Issues | 2 | — | — | — | |
| Hydraulic | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Airbag Malfunctions | 1 | 1 | — | — | |
| Tire Issues | 1 | — | — | — | |
| Structural Problems | 1 | — | — | — | |
| Door Lock Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Nissan Altima. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Showing 59 most recent complaints
The contact owns a 2021 Nissan Altima. The contact stated that while driving on four occasions, the front driver's side seat belt unintendedly unbuckled. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed or repaired. The failure milea…
Steering wheel module buttons are not working . / needs a sensor replaced - recalibration.
The system malfunctioning is the front sensor braking. My safety and others were put at risk with this because multiple times my car has braked me and or completely stopped me because it’s malfunctioning , it happens while I am on a busy street and someone even almost rear ended …
The contact owns a 2021 Nissan Altima. The contact stated that after stopping at a traffic light, the accelerator pedal was depressed, and the vehicle went into LIMP Mode. The check engine warning light was illuminated. The vehicle was taken to a local independent mechanic, where…
Passenger back locks stopped working first. Then driver side back locks. Now both driver and passenger front locks will not lock/unlock automatically. This is scary when not being able to get in/out of vehicle for an emergency. I have reviewed multiple complaints and it appears t…
Back up camera display distorted
Vehicle Breaking on Its Own While Driving I am writing to file a formal safety complaint and to demand immediate corporate intervention regarding an extremely dangerous mechanical/ADAS defect. My Nissan Altima has serious, ongoing safety issues where the vehicle will unexpectedly…
RE: Formal Demand for Vehicle Repurchase/ Buyback due to Critical Safety Defect- Vehicle Breaking on Its Own While Driving I am writing to file a formal safety complaint and to demand immediate corporate intervention regarding an extremely dangerous mechanical/ADAS defect in my …
Hi this is in reference to my 2021 Nissan altima. The fob key entry and electrical door control doesn't work. The automator for my doors have had to be replaced. First the rear passenger and five days later the rear passenger door on drivers side and now the drivers door. As a s…
The Automatic Emergency Braking (AEB) system in my 2021 Nissan Altima SR frequently malfunctions. The forward radar sensor, located behind the front grille, becomes easily obstructed by normal road dirt or weather conditions. When this happens, the system falsely detects obstacle…
The transmission is jerking while driving. it has been doing this since purchased in 2021. I have reported this several times to nissan and the consumer advisors deemed it undrivable but no on has resolved the issue.
The contact owns a 2021 Nissan Altima. The contact stated while driving 45 MPH, the brakes independently activated, and the rear of the vehicle fishtailed. The contact stated an unknown warning light showing an image of the rear of the vehicle was briefly illuminated. In addition…
Rear Crash warning comes on when stopped at light , or when car is put in reverse and nothings there . also wiper refill warning. stays on even when full. Has been reported to dealership more than once also hear clicking at speeds over 50 mph.
The contact owns a 2021 Nissan Altima. The contact stated that while driving at an undisclosed speed, there was an abnormally loud clicking sound coming from the vehicle. No warning light was illuminated. The vehicle was taken to the independent mechanic, where it was diagnosed w…
Odometer Fraud. The contact purchased a 2021 Nissan Altima. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 35,189 and at the …
About a month ago I noticed my backup camera had gotten dark. I didn’t worry much about it until it started glitching a couple days ago. I gave it a couple of days thinking it would go away but it hasn’t. It either glitches with lines through it, it freezes, or goes black altoget…
The contact owns a 2021 Nissan Altima. The contact stated that while driving at various speeds on several occasions, there were abnormal sounds coming from the engine compartment. The contact inspected the vehicle and sent off an oil sample. The contact stated that a metal fragme…
Stating that something is malfunctioning and see owners manual
The contact rented a 2021 Nissan Altima. The contact stated while driving 45 MPH, the brake pedal was depressed, and the vehicle failed to respond. There were no warning lights illuminated. The contact stated that it felt like the brakes were inoperable. The vehicle was then take…
Windshield Repair Issue I have a cracked windshield that I attempted to have repaired through my insurance company. The repair company I was sent to was unable to remove the windshield, so they referred me to Nissan, as they are the manufacturer of my vehicle. However, when I we…
Source: NHTSA Complaints Database. Real owner reports for the 2021 Nissan Altima.
Recalls for 2021 Nissan Altima
2 campaignsNHTSA recall campaigns for the 2021 Nissan Altima. Recalls are free to fix at any authorized dealer. Run a VIN check below to see if your specific vehicle has open recalls.
2021 Nissan Altima — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Nissan Altima reliable?▾
Severe Issues. The 2021 Nissan Altima has 59 NHTSA owner complaints, 4 crash-related, and 2 recall campaigns. The most reported issue is Forward Collision Avoidance: AEB (21 complaints). Source: NHTSA via VinSpector AI.
What are the most common problems with the 2021 Nissan Altima?▾
#1: Forward Collision Avoidance: AEB (21 complaints). #2: Electrical Faults (18 complaints). #3: Brake System (18 complaints)
At what mileage do problems start on the 2021 Nissan Altima?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Nissan Altima?▾
The 2021 Nissan Altima has 4 crash-related complaints and 1 fire reports out of 59 total NHTSA complaints. 2 injuries were reported. For NCAP lab crash test star ratings, visit nhtsa.gov/ratings.
Does the 2021 Nissan Altima have any recalls?▾
Yes — 2 NHTSA recall campaigns affect the 2021 Nissan Altima. The largest issue: STEERING:LINKAGES:TIE ROD ASSEMBLY. Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.
Should I buy a 2021 Nissan Altima?▾
The 2021 Nissan Altima has severe issues — review the top problems before buying. Pay particular attention to Forward Collision Avoidance: AEB issues. Always run a VIN check on the specific car you're considering to check for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Nissan Altima reliability report with year-by-year comparison.
Check Your Specific 2021 Nissan Altima
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud. Full report just $4.99.