2011 Toyota Prius power train problems
18 owner complaints filed with NHTSA name the power train on the 2011 Toyota Prius — 3% of all complaints for this model year.
What owners report
“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 of my family. When…”
filed Apr 27, 2026
“Brakes completely failed. Loud beeping sound happened, couldn't stop car even in a parking lot. Had to use transmission to slow to a stop. Was in a grocery store parking lot.”
filed Jan 21, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2024 Prius | 1 | 5% |
| 2022 Prius | 1 | 4% |
| 2019 Prius | 2 | 7% |
| 2018 Prius | 2 | 6% |
| 2017 Prius | 4 | 4% |
| 2016 Prius | 14 | 9% |
| 2015 Prius | 13 | 8% |
| 2014 Prius | 6 | 3% |
| 2013 Prius | 14 | 3% |
| 2012 Prius | 21 | 5% |
| 2010 Prius | 79 | 3% |
| 2009 Prius | 22 | 4% |
Other reported problem areas on the 2011 Toyota Prius
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.