MYRModel Year Report

2021 Toyota Prius

○ Not enough data
2021 Toyota Prius
RENDERED 2026-08-02T12:39:09.601Z

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.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Toyota Prius Bar chart of distinct NHTSA complaints filed per model year, 2021 highlighted. 2000: 4 complaints 2000 2001: 165 complaints 2002: 167 complaints 2003: 99 complaints 2004: 610 complaints 2004 2005: 1051 complaints 2006: 1439 complaints 2007: 2003 complaints 2008: 1497 complaints 2008 2009: 502 complaints 2010: 2819 complaints 2011: 515 complaints 2012: 419 complaints 2012 2013: 398 complaints 2014: 202 complaints 2015: 159 complaints 2016: 154 complaints 2016 2017: 91 complaints 2018: 35 complaints 2019: 28 complaints 2020: 14 complaints 2020 2021: 6 complaints 2021 2022: 23 complaints 2023: 18 complaints 2024: 22 complaints 2024 2025: 15 complaints 2026: 5 complaints 2026
2021: 6 complaints
View as data table
YearComplaints
20004
2001165
2002167
200399
2004610
20051051
20061439
20072003
20081497
2009502
20102819
2011515
2012419
2013398
2014202
2015159
2016154
201791
201835
201928
202014
20216
202223
202318
202422
202515
20265

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 codes

NHTSA ODI report, 20260223

ENGINE

2 of 6 total reports mention: engine.

CRASH
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, 20230613

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, 20240918

SERVICE BRAKES

1 of 6 total reports mentions: service brakes.

CRASH
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, 20230613

SAFETY TIMELINE

No recalls on file for this model year.

I 20230127 — DP (closed 20230807)

Pedestrian alert sounds

BUY-SMART CHECKLIST

2021 Toyota Prius — pre-purchase inspection

  • Test/inspect for fuel/propulsion system issues (2 reports on file for this year).
  • Test/inspect for engine issues (2 reports on file for this year).
  • Test/inspect for wheels issues (1 reports on file for this year).
Inspected by ______________ Date ______________

OTHER YEARS OF THIS MODEL

BEST YEARS

▲ 2018 ▲ 2017 ▲ 2003

WORST YEARS

■ 2010 ■ 2007 ■ 2008

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 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.