2021 Toyota Prius Problems, Complaints & Recalls

Source: NHTSA · Updated Feb 23, 2026 · 6 owner complaints analyzed

Compared with other Prius years
Not enough data 25th of 27 for complaints
Safety recalls
None on file
NHTSA crash rating
5 out of 5 stars

Owners have filed 6 complaints with NHTSA about the 2021 Toyota Prius. That ranks 25th out of 27 Prius model years for complaints. The most reported problem area is engine (2 complaints, 33%), typically at around 5,200 miles. Complaints mention 1 crash. There are no safety recalls on file for this model year. NHTSA has opened 1 defect investigation involving it.

Toyota Prius
2023 Toyota Prius Z HEV. Representative photo; appearance varies by model year. Photo: TTTNIS, CC0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2021 Toyota Prius problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Engine2 · ~5,200 mi
Fuel/propulsion System2 · ~5,200 mi
Electrical System1
Forward Collision Avoidance1
Lane Departure1
Service Brakes1
Unknown or Other1 · ~5,200 mi
Vehicle Speed Control1 · ~56,000 mi
Wheels1 · ~190 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Engine233%5,200——
Fuel/propulsion System233%5,200——
Electrical System117%———
Forward Collision Avoidance117%———
Lane Departure117%———
Service Brakes117%———
Unknown or Other117%5,200——
Vehicle Speed Control117%56,000——
Wheels117%190——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 2 complaints
2021: 2202122023: 2202322024: 1202412026: 120261

n = 6 complaints · Source: NHTSA

2021 Toyota Prius recalls (0)

No safety recalls are on file for the 2021 Toyota Prius.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

NHTSA defect investigations

  • Pedestrian alert sounds (DP22005) — opened Jan 27, 2023, closed Aug 7, 2023, led to recall 22V063000.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

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

Fuel/propulsion System · received Feb 23, 2026 · NHTSA complaint 11719876

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. The contact swerved around the vehicle in front and ended up on the opposite side of the…

Vehicle Speed Control · received Sep 18, 2024 · NHTSA complaint 11615271

The Lane keeping assist used in radar cruise control mode during some drive cycles will attempt to maintain the vehicle position to the far extreme of the lane and in some cases actively veer out of the lane. My safety ant others can be put at risk when the vehicle behaves outside of its design…

Forward Collision Avoidance · received Jul 14, 2023 · NHTSA complaint 11532235

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.

Service Brakes · received Jun 13, 2023 · NHTSA complaint 11526893

Carbon monoxide seeps into the passenger car but diller cannot find it and did not have tools to detect co level in the car. I can't use this car because was poisoned many times and after a second check-up, the level of co becomes higher so i can't drive the car without poisoning. Please help me. I…

Engine · received May 11, 2021 · NHTSA complaint 11416154

Other Toyota Prius years

← 2020 Prius · 2022 Prius →

See all Toyota Prius problems by year, every Toyota model, or the Toyota VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Toyota Prius?

Owners most often report engine, fuel/propulsion system, electrical system problems. The top one, engine, accounts for 2 complaints.

Was there a recall on the 2021 Toyota Prius?

No safety recalls are on file for this model year.

Was the 2021 Toyota Prius a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Prius model years, the 2021 has too little data to compare, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.