2021 Toyota Prius Prime Brakes Problems
- Complaints
- 3about this part
- Share
- 30%of 10 total for the year
- Median mileage
- 34,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the brakes of the 2021 Toyota Prius Prime, 30% of the 10 complaints for this model year. Where a mileage was given, the median is 34,000 miles. 2 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Brakes of my Toyota Pirius Prime did not work after I was hit on my right side. Brakes completlety was out. Also I was not able to run the car. The cars brakes should work even I got an accident to precent some further damage to other cars.”
NHTSA complaint #11492523, filed 2022-11“I was slowly entering a handicapped parking place right in front of a business. The distance from the front of the parking space to the building wall was about 15 feet, one car length. I approached the place to stop in the parking spot when in a split second the car violently surged forward and would have crashed into the cinderblock wall had there not been a supporting post on the building and a metal frame with equipment which stopped the forward movement. The surge was explosive, almost like the acceleration of an airplane taking off. The whole incident took a second or two. …”
NHTSA complaint #11696251, filed 2025-10“The contact owns a 2021 Toyota Prius Prime. The contact stated while driving 45–50 MPH and approaching a stop sign, the brake pedal was depressed but the vehicle failed to respond. The driver continued to pump the brake pedal, but the vehicle failed to respond and depressed to the floorboard. The vehicle accelerated, veered across the road, jumped the curb, and stopped. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, and an engineer determined that the brakes were working properly. …”
NHTSA complaint #11604557, filed 2024-07, 34,000 milesBrakes: other model years
Other parts of the 2021 Toyota Prius Prime
4 complaintsFuel system
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 Toyota Prius Prime
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology