2021 Tesla Model 3: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2021 Tesla Model 3? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 500 complaints, with Forward Collision Avoidance: AEB as the top reported area.
2021 Tesla Model 3 Fuel Economy
✓ EPA Official DataEPA-rated energy efficiency for the 2021 Tesla Model 3. Values shown in MPGe (miles per gallon equivalent).
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 3 trims analysed.
2021 Tesla Model 3 Safety Ratings
NHTSA 5-Star Program4 variants tested — showing 2021 Tesla Model 3 4 DR RWD Later ReleaseOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
6.6% rollover risk
Frontal Crash
Side Crash
Rollover
6.6% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2021 Tesla Model 3 has 500 owner complaints, 33 crash-related complaints, and 20 recall campaigns on record. The most frequently reported component is Forward Collision Avoidance: AEB. NHTSA reliability signal: Severe Issues.
- Make
- Tesla
- Model
- Model 3
- Model year
- 2021
- NHTSA owner complaints
- 500
- Crash-related complaints
- 33
- Safety recall campaigns
- 20
- Top reported component
- Forward Collision Avoidance: AEB
- Reliability signal
- Severe Issues
- EPA MPGe combined
- 134
- EPA MPGe city / highway
- 141 / 127
- Fuel type
- Electricity
- Electric range (miles)
- 353
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 5/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 5/5 stars
- Electronic stability control
- Standard
Most Common 2021 Tesla Model 3 Problems
Top owner-reported complaint areas and where they often appear.
Forward Collision Avoidance: AEB
Brake System
Unintended Acceleration
Complaint patterns center on Forward Collision Avoidance: AEB, Brake System, Unintended Acceleration. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2021 Tesla Model 3?
The 2021 Tesla Model 3 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2021 Tesla Model 3
Inspection Focus
- Inspect the Forward Collision Avoidance: AEB system for proper operation.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for brake system and unintended acceleration issues.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect the Forward Collision Avoidance: AEB system for proper operation.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for brake system and unintended acceleration issues.
- Have a mechanic inspect the vehicle before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2021 Tesla Model 3, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
What the Complaint Data Suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 500 NHTSA complaints for the 2021 Tesla Model 3, the data suggests a concentration of issues in the Forward Collision Avoidance: AEB system, which accounts for a large portion of reports. Brake system and unintended acceleration complaints are also notable. However, with low confidence, these patterns should be interpreted cautiously.
- Forward Collision Avoidance: AEB received the highest number of complaints among all components.
- Brake system complaints are the second most reported issue.
- Unintended acceleration complaints are also frequently mentioned.
- Forward Collision Avoidance: AEB
- Brake System
- Unintended Acceleration
All 2021 Tesla Model 3 Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2021 Tesla Model 3. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Forward Collision Avoidance: AEB | 317 | 9 | 1 | — | |
| Brake System | 100 | 8 | 1 | — | |
| Unintended Acceleration | 87 | 7 | — | — | |
| Uncategorized Issues | 72 | 4 | — | — | |
| Electrical Faults | 56 | 4 | 1 | — | |
| Steering Defects | 21 | 8 | 2 | — | |
| Lane Departure | 21 | 3 | — | — | |
| Visibility/Wiper | 20 | — | — | — | |
| Structural Problems | 13 | 1 | — | — | |
| Seat Belt Issues | 12 | — | — | — | |
| Transmission / Drivetrain | 11 | 2 | — | — | |
| Suspension Failures | 11 | 2 | 1 | — | |
| Back Over Prevention | 8 | — | — | — | |
| Airbag Malfunctions | 7 | 2 | — | — | |
| Door Lock Issues | 6 | — | — | — | |
| Seat-Related Issues | 6 | — | — | — | |
| Headlight/Taillight Failures | 6 | — | — | — | |
| Fuel/Propulsion System | 5 | 1 | 1 | — | |
| Wheel Issues | 5 | — | — | — | |
| Tire Issues | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Engine Problems | 2 | — | — | — | |
| Firerelated | 1 | 1 | 1 | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Tesla Model 3. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
I am filing a complaint regarding my inability to receive a safety recall remedy without first paying for a separate component replacement. Vehicle: Tesla Model 3 VIN: [XXX] My vehicle has an active safety recall related to hood latch functionality, which Tesla stated requ…
When using the cruise control or self driving function the car will, unprovoked, brake suddenly and severely. Hitting the acceleration pedal will disengage the cruise control or self driving and will stop the deceleration. The error happens about 1-2 times per 20 miles. I do not …
2 problems 1,Phantom braking when cruise control is activated. 2, There's no rear door mechanical release in the event of a electrical power failure in the event of R.T.A
The components involved are the automatic emergency braking (AEB) system and the airbag system. During the collision, the AEB system did not activate, and the airbags did not deploy. The vehicle is available for inspection upon request. I was driving on a main roadway with no st…
- The rear middle seatbelt became locked and will not unwind or extend. The seatbelt remained stuck in the retracted position, making it unusable. The vehicle and seatbelt assembly are available for inspection upon request. However, Tesla has already fixed the issue, but I feel w…
The vehicle is undriveable due to a high‑voltage enable safety lockout triggered by ECU identity/MAC mismatch after a software/update window; local service instructed me to ‘safely disregard’ active safety alerts contrary to vehicle telemetry, creating a safety risk. Chronology …
The rear camera malfunctions intermittently and causes other errors to happen, like Automatic emergency braking unavailable or forward collision warning unavailable. When the camera error happens, it says the camera is unavailable. I took my car to the Tesla dealership three t…
HVAC system which provides cooling/heating for all the systems including the powertrain, battery, inverters, Full-Self Driving computer malfunctions randomly shutting itself off due to a known issue of failing pressure and temperature sensors. Tesla is aware of this issue where t…
I wrote several months ago about my 2021 tesla model 3 that the rear doors do not have any mechanical door handle release and is a big safety concern also how can a manufacturer get away with this and also not informing the consumer that anyone sat in the back may perish if invol…
Full self driving system (fsd) has ran a red light twice. It slows almost to a stop then takes off.
The driver’s side belt makes a “click” sound when latch is inserted into the locking component but at times does NOT remain lock and the belt is released shortly after. The issue is sporadic. The belt is released with a low amount of force i.e. adjusting the body in the seat or t…
The high-voltage traction battery pack has failed twice on my 2021 Tesla Model 3, both times while the vehicle was under the original battery warranty. The failures occurred on: • 08/30/2022 at approximately 15,100 miles • 11/08/2025 at approximately 57,222 miles The exact err…
HVAC system went out at 7500ish miles. It was repaired under warranty, and a "fix" was administered through software by tesla. My HVAC has gone out again at 84k miles FOR THE SAME REASON. about 77k miles after it was just repaired. Quick check online. this is still a very com…
To Whom It May Concern, I am submitting this complaint to report a serious and potentially dangerous safety defect affecting my 2021 Tesla Model 3 Performance. After exposure to heavy rain or wet conditions, the vehicle’s horn completely stops functioning. The failure occurs re…
There is no manual door release for the rear doors. Thus rear passengers are at risk should the electrical system fail in a crash. Tesla should be required to provide a modification that allows rear passengers to manually open the rear doors.
After Tesla replaced my high voltage battery in May of 2024 all of the following started to happen. Prior to the replacement none of these issues were present. While driving under normal conditions, my 2021 Tesla suddenly and violently steered into an oncoming lane or toward the…
-- Summarized Explanation The automatic windshield wiper system behaves unpredictably and creates unsafe driving conditions. Wipers frequently activate when there is no rain, operate at excessive speeds during light rain, and, most critically, fail to activate during active rainf…
Central computer (motherboard), cameras (front/rear/side), autopilot/auto steer system. Error code: APS_w132. Description of Problem: On or around [XXX], Tesla pushed a mandatory over-the-air software update to my vehicle. Immediately after, multiple safety-critical systems faile…
The car, with no known or evident driver, stopped the lane awareness, cruise control, etc. All of those just stopped working and per Tesla that's expected which is surprising since it's all part of the safety systems. The car's visual cues stopped identifying lanes and as a bypro…
I am the owner of a 2021 Tesla Model 3 and am filing this complaint due to a significant safety concern: my vehicle does not have manual or mechanical releases for the rear doors; only electronic mechanisms are present. In the event of a total power failure, accident, fire, or su…
Source: NHTSA Complaints Database. Real owner reports for the 2021 Tesla Model 3.
2021 Tesla Model 3 Recalls
20 campaignsNHTSA recall campaigns for the 2021 Tesla Model 3. 20 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2021 Tesla Model 3 Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2021 Tesla Model 3 reliable?▾
Severe Issues. NHTSA currently shows 500 owner complaints, 33 crash-related complaints, and 20 recall campaigns for this model year. The 2021 Tesla Model 3 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2021 Tesla Model 3?▾
#1: Forward Collision Avoidance: AEB (317 complaints). #2: Brake System (100 complaints). #3: Unintended Acceleration (87 complaints)
At what mileage do problems start on the 2021 Tesla Model 3?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Tesla Model 3?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Tesla Model 3, NHTSA complaints include 33 crash-related reports and 5 fire reports out of 500 total complaints. 16 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2021 Tesla Model 3 have any recalls?▾
Yes. 20 NHTSA recall campaigns affect the 2021 Tesla Model 3. A major recall area is ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE. 20 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2021 Tesla Model 3?▾
The 2021 Tesla Model 3 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Forward Collision Avoidance: AEB during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Tesla Model 3 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2021 Tesla Model 3 based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Check the Exact Vehicle History Before You Buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.