2021 Model Year

Toyota Prius

NHTSA Complaints & Reliability Data

Compare
Complaints
6
Recalls
0
Crashes
1
Severe
1

Recent Complaints

Latest owner reports

FUEL/PROPULSION SYSTEM
Feb 2026

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...

VEHICLE SPEED CONTROL
Sep 2024

The contact owns a 2021 Toyota Prius. The contact stated while driving approximately 35 - 45 MPH, the vehicle independently accelerated. The brake ped...

FORWARD COLLISION AVOIDANCE,LANE DEPARTURE
Jul 2023

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...

ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE Crash
Jun 2023

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 ab...

UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM
Nov 2021

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 BECA...

WHEELS
Mar 2021

WHILE DRIVING ON THE I 4 WE HAD A BLOWOUT ON THE REAR PASSENGER TIRE. THE CAR HAD LESS THAN 200 MILES ON IT SO IT WAS BRAND NEW. THE DEALERSHIP FOUND...

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Vehicle Safety Research Team

Automotive Data Analysts

Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.

Data updated: March 4, 2026

Summary

The 2021 Toyota Prius has 6 complaints and 0 recalls on record. The most commonly reported issue is ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE. 1 crash-related incidents have been reported.

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