2021 Toyota Prius
Only 6 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 6 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 6
- Recalls
- 0
- Investigations
- 1
- Top problem
- —
Too few to rank
None on file
Opened by NHTSA
Not enough data
Complaints per year
2021: 6 complaints
View as data table
| Year | Complaints |
|---|---|
| 2000 | 4 |
| 2001 | 165 |
| 2002 | 167 |
| 2003 | 99 |
| 2004 | 610 |
| 2005 | 1,051 |
| 2006 | 1,439 |
| 2007 | 2,004 |
| 2008 | 1,497 |
| 2009 | 502 |
| 2010 | 2,824 |
| 2011 | 522 |
| 2012 | 424 |
| 2013 | 414 |
| 2014 | 210 |
| 2015 | 166 |
| 2016 | 155 |
| 2017 | 91 |
| 2018 | 37 |
| 2019 | 30 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 24 |
| 2023 | 20 |
| 2024 | 27 |
| 2025 | 16 |
| 2026 | 6 |
Known problem areas
Only 6 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Fuel/propulsion system
2 of 6 total reports mention: fuel/propulsion system.
Show complaint excerpts
When i am going down it's charging when the charge reaches 6 from 8 the engine starts working and stop changing at that point and the power continues comes from engine only without the hybrid battery and there are no…
NHTSA ODI report, 2026-02-23
Engine
2 of 6 total reports mention: engine.
Show complaint excerpts
The car accelerated without my foot on the accelerator, brake did not respond, and I had to drive through grass and a rock-filled ditch until after about 10 seconds the car returned to my control.
NHTSA ODI report, 2023-06-13
Also filed under Service brakes and electrical system
Wheels
1 of 6 total reports mentions: wheels.
Vehicle speed control
1 of 6 total reports mentions: vehicle speed control.
Show complaint excerpts
The contact owns a 2021 Toyota Prius. The contact stated while driving approximately 35 - 45 MPH, the vehicle independently accelerated. The brake pedal was depressed but failed to stop the vehicle immediately.
NHTSA ODI report, 2024-09-18
Service brakes
1 of 6 total reports mentions: service brakes.
Safety timeline
No recalls on file for this model year.
0 recalls · 1 investigation · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
-
I
2023-01-27Defect petitionClosed 2023-08-07 Pedestrian alert sounds
Buy-smart checklist
2021 Toyota Prius — pre-purchase inspection
Inspect
- Fuel/propulsion system: 2 reports on file for this year.
- Engine: 2 reports on file for this year.
- Wheels: 1 report on file for this year.
Other years of this model
See all years ranked →FAQ
- Is the 2021 Toyota Prius reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 2021 Toyota Prius?
- The most-reported component is fuel/propulsion system, accounting for 33% of complaints on file.
- How many recalls does the 2021 Toyota Prius have?
- No recalls are on file for this model year.
Data updated 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.