2021 Toyota Prius Prime Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 20%of 10 total for the year
- Median mileage
- 80,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2021 Toyota Prius Prime, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 80,000 miles.
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.
“The contact owns a 2021 Toyota Prius Prime. The contact stated that after the vehicle was shifted into park, the key was removed and the contact stepped away from the vehicle, when the vehicle inadvertently started to roll away. As a result, the vehicle rolled into the neighbor’s driveway and grazed another vehicle then stopped. Additionally, the contact stated that while the vehicle was on the charger port, the vehicle failed to start. The dealer was notified of the failure and the contact was advised to take the vehicle in to be diagnosed. The vehicle was not diagnosed or repaired. …”
NHTSA complaint #11545583, filed 2023-09, 80,000 milesTransmission and drivetrain: other model years
Other parts of the 2021 Toyota Prius Prime
4 complaintsBrakes
3 complaintsFuel system
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