2011 Toyota Prius: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2011 Toyota Prius? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 511 complaints, with Brake System as the top reported area.
2011 Toyota Prius Fuel Economy
✓ EPA Official DataEPA official fuel economy rating for the 2011 Toyota Prius.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.
2011 Toyota Prius Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
12.1% rollover risk
Frontal Crash
Side Crash
Rollover
12.1% 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 2011 Toyota Prius has 511 owner complaints, 36 crash-related complaints, and 6 recall campaigns on record. The most frequently reported component is Brake System. NHTSA reliability signal: Severe Issues.
- Make
- Toyota
- Model
- Prius
- Model year
- 2011
- NHTSA owner complaints
- 511
- Crash-related complaints
- 36
- Safety recall campaigns
- 6
- Top reported component
- Brake System
- Reliability signal
- Severe Issues
- EPA MPG combined
- 48
- EPA MPG city / highway
- 49 / 46
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 4/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Most Common 2011 Toyota Prius Problems
Top owner-reported complaint areas and where they often appear.
Brake System
Electrical Faults
Engine Problems
Complaint patterns center on Brake System, Electrical Faults, Engine Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2011 Toyota Prius?
The 2011 Toyota Prius 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 2011 Toyota Prius
Inspection Focus
- Inspect brake system for any signs of malfunction or previous repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for brake, electrical, and engine components.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect brake system for any signs of malfunction or previous repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for brake, electrical, and engine components.
- Have a mechanic inspect the vehicle before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2011 Toyota Prius, 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
The 2011 Toyota Prius has a high number of NHTSA complaints, with the brake system being the most frequently reported issue. Complaints are concentrated in the brake system, electrical faults, and engine problems. The data suggests potential concerns with braking performance and electrical reliability.
- Brake system complaints account for the largest share of total complaints.
- Electrical faults and engine problems are also commonly reported.
- There are 6 recalls associated with this model year.
- Brake System
- Electrical Faults
- Engine Problems
All 2011 Toyota Prius Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2011 Toyota Prius. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Brake System | 266 | 16 | — | — | |
| Electrical Faults | 68 | 3 | 4 | — | |
| Engine Problems | 51 | 1 | 2 | — | |
| Headlight/Taillight Failures | 49 | — | 1 | — | |
| Airbag Malfunctions | 46 | 18 | — | — | |
| Unintended Acceleration | 28 | 3 | — | — | |
| Uncategorized Issues | 28 | 1 | — | — | |
| Transmission / Drivetrain | 18 | — | — | — | |
| Electronic Stability Control (Esc) | 16 | 1 | — | — | |
| Hydraulic | 12 | — | — | — | |
| Fuel/Propulsion System | 11 | — | — | — | |
| Hybrid Propulsion System | 11 | 1 | — | — | |
| Visibility | 11 | — | — | — | |
| Structural Problems | 9 | 3 | — | — | |
| Steering Defects | 7 | — | — | — | |
| Tire Issues | 7 | 2 | — | — | |
| Seat-Related Issues | 6 | 1 | 2 | — | |
| Forward Collision Avoidance: AEB | 4 | — | — | — | |
| Seat Belt Issues | 4 | 3 | — | — | |
| Wheel Issues | 3 | 2 | — | — | |
| Suspension Failures | 3 | — | — | — | |
| Equipment | 3 | — | — | — | |
| Equipment Adaptive/Mobility | 2 | 1 | 1 | — | |
| Traction Control System | 2 | — | — | — | |
| Visibility/Wiper | 2 | — | — | — | |
| Air | 1 | — | — | — | |
| Door Lock Issues | 1 | — | — | — | |
| Interior Lighting | 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 2011 Toyota Prius. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
I was driving my car and suddenly the traction , hand brake and ABS sign started showing up. I usually apply only 10% of force on brake pedal but after this I have to apply almost 60% of force to even slow down the car. Almost 90% force to stop the car It has threatened safety …
The brake cylinder assembly and the brake booster pump assembly failed while driving, which made braking very difficult, caused the regenerative braking to stop working, and caused multiple warning lights to come on. No warning lights, messages, or other symptoms were present pr…
Brake Booster went out right at 160000 miles. ABS, emergency parking light, tire pressure light, and others I'm not sure if went on. Brakes felt very mushy and scary to drive.
While driving, the Brake, ABS, traction light and other light lit up. The car lurched in an odd way. I can hear the oil pressure pump turn on every 5 seconds. Toyota shops told me the master cylinder and booster pump are failing and that the brakes will stop working while driving…
I was driving my car at over 70 mph on a highway, no check engine, no issues, just had oil changed when check hybrid system alert came on with check engine light. I started to change lanes to get to shoulder when my car just died, completely. It died in the middle of the highway …
The abs, brake, and traction control are intermittently on and off recently. I thought that there was a visible leak in the brake fluid. But my mechanic said that there was no feasible leaks found upon inspection. The car has also been inspected in Maryland without any issues. I …
ABS, Slip Indicator and Brake warning lights have appeared on the cars dashboard. DTC fault code C1391 has appeared indicating a failure of the Brake Booster and Brake Booster Pump assemblies per Toyota Customer Support Bulletin (ZJB) No.: POL18-03. Loss of regenerative braking,…
The Master Cylinder started failing while I was driving the car, the car only has 138k miles, the dashboard lit up like a Christmas tree, all the warning lights were on, and when I went to step on the brake, I had to push it all the way to the floor for any braking to happen. I r…
I purchased a 2011 Prius 4 years ago from a dealership. For the last 2 years, whenever I drive the car, the ABS, brake, and skid lights are on. also, there's a slightly whirring noise every few seconds from under the hood. Braking has been affected, and I've had to increase my st…
VIN: [XXX] Year/Make/Model: 2011 Toyota Prius Mileage: 87,433 Date: 11/4/2025 DESCRIPTION Sudden 80% brake loss. Loss of ABS Brake Light + ABS + Traction Control lights on dash (photo attached). Known failed brake actuator (C1391) — identical to 500+ complaints in PE19-…
ABS Brake pump booster and actuator broke and got me almost into an accident. It's a known issue and it's a safety issue because car can still run but the brake is less sensitive. Please get Toyota to honor the repair.
The ABS actuator on my 2011 Toyota Prius has failed, which is a known and common issue with this generation of Prius vehicles. The component causes abnormal brake pedal feel and inconsistent braking performance. The vehicle has been inspected and diagnosed by a Toyota dealership,…
Have continuous display of ABS , Brake lights for some time. Diagnosed as problems of ABS brake booster and pump. Toyota recognizes this issue but will not replace it.
The contact owns a 2011 Toyota Prius. The contact stated that while driving at an undisclosed speed, the master warning light, ABS, and Brake warning lights illuminated. The vehicle was taken to an independent mechanic, who diagnosed failures with the brake master cylinder and th…
Toyota issued a Customer Support Program ZJB for extended coverage of the brake booster and actuator assembly (this notice was not sent to the correct address the car was registered to with the dmv in 2019 so I never received the notice for this program) The Toyota program lengt…
The contact owned a 2011 Toyota Prius. The contact stated while driving at an undisclosed speed in an intersection, a Ford F-150 vehicle crashed into the front driver's side of the vehicle. The contact stated he was pinned between the door and the infotainment system. The airbags…
I' m getting ABS warning light. Dealer confirmed that I need to replace Brake Actuator and Accumulator which costs me over $3K. Dealer refused to cover under warrant though it's a known issues with TOYOTA PRIUS vehicles.
Odometer Fraud. The contact purchased a 2011 Toyota Prius. 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 mileage was 145,000 and at the time of …
Around 14 months ago (march 2024) I purcheded a replacment battery pack for our 2011 Toyota Prius form NexPower Energy (also going by, project lithium, sodiumhybrid) based out of CA. The battery pack is a lithum pack that replaces the orginal nickel metal hydride pack. In the b…
ABS warning system on dashboard is intermittent. I hear computer noises near the front driver tire. Then the warning light goes out or reappears on dashboard. Issue is the expensive diagnostic fee that may not unearth the cause, and if cause identified the diagnostic fee cannot …
Source: NHTSA Complaints Database. Real owner reports for the 2011 Toyota Prius.
2011 Toyota Prius Recalls
6 campaignsNHTSA recall campaigns for the 2011 Toyota Prius. 6 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.
2011 Toyota Prius Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2011 Toyota Prius reliable?▾
Severe Issues. NHTSA currently shows 511 owner complaints, 36 crash-related complaints, and 6 recall campaigns for this model year. The 2011 Toyota Prius 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 2011 Toyota Prius?▾
#1: Brake System (266 complaints). #2: Electrical Faults (68 complaints). #3: Engine Problems (51 complaints)
At what mileage do problems start on the 2011 Toyota Prius?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2011 Toyota Prius?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2011 Toyota Prius, NHTSA complaints include 36 crash-related reports and 7 fire reports out of 511 total complaints. 17 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2011 Toyota Prius have any recalls?▾
Yes. 6 NHTSA recall campaigns affect the 2011 Toyota Prius. A major recall area is HYBRID PROPULSION SYSTEM. 6 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 2011 Toyota Prius?▾
The 2011 Toyota Prius 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 Brake System 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 Toyota Prius reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2011 Toyota Prius 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.