YearToAvoid

2012 Toyota Prius C Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

100/100

#1 most-complained of 8 Prius C years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2012 Toyota Prius C ranks worst of 8 model years tracked, with a complaint index of 100 and 63 NHTSA complaints, mostly brake-related. It carries an Avoid verdict relative to other Prius C years, though it has zero recalls filed.

Complaints
63
Recalls
0
Crashes / fires
8 / 1
Injuries / deaths
8 / 0
NHTSA overall rating
Not rated
EPA combined MPG
50
53 city / 46 hwy

Top 2012 Toyota Prius C problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Brakes29 (46%)
  2. Electrical System16 (25%)
  3. Engine8 (13%)
  4. Other8 (13%)
  5. Airbags7 (11%)
  6. Seat Belts4 (6%)
  7. Structure & Body4 (6%)
  8. Transmission & Powertrain3 (5%)
  9. Collision Avoidance & Cameras2 (3%)
  10. Fuel System2 (3%)

What owners report

  • Owners report brake pedal traveling farther than expected or feeling hard to apply, sometimes with the brake warning, ABS, and anti-swerve lights coming on together.
  • Some describe the brake pedal going to the floor at low speed, including one case where the vehicle rolled through a stop sign.
  • Several drivers say the brakes gave out unexpectedly while driving, in one case with a child in the car.
  • Airbags reportedly failed to deploy in multiple front and rear collisions, including one crash where the vehicle was destroyed.
  • One owner reports the engine suddenly revved and the car accelerated on its own while parking at low speed.
  • Unusual brake noise was reported by an owner who said a known issue required replacing two brake parts.
2012 Toyota Prius C complaints: complaints filed per quarter62013 Q22014 Q42017 Q12019 Q12020 Q42022 Q32024 Q12025 Q3
86 complaints filed with NHTSA from 2013 Q2 to 2026 Q1; peak 2016 Q1 (6).

2012 Toyota Prius C recalls

No safety recalls on record for this model year.

2012 Toyota Prius C fuel economy and fuel cost

City
53 MPG
Highway
46 MPG
Combined
50 MPG
Annual fuel cost (EPA)
$1,300
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2012 compared with other Prius C years

Complaint Index by model year (0 = fewest issues, 100 = most)025507510020122013201420152016201720182019
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2012Avoid10063050
2013Avoid8657050
2014Caution7132050

All Toyota Prius C years: best and worst →

Frequently asked questions

Is the 2012 Toyota Prius C reliable?
Among the 8 Prius C model years with data, 2012 has the highest complaint index (100) and ranks worst overall, based on NHTSA owner complaints.
What is the top complaint on the 2012 Toyota Prius C?
Brakes are the top problem area, accounting for 29 of 63 complaints (46%), with a median failure mileage of 30,000 miles.
Does the 2012 Toyota Prius C have any recalls?
NHTSA lists zero recalls for the 2012 Prius C, though it still has the highest complaint volume among the model years tracked.
How does the 2012 Prius C compare to later years?
Complaint counts drop steadily after 2012: 57 in 2013, 32 in 2014, 17 in 2015, and 12 in 2016, which carries the Best verdict with a complaint index of 14.
What is the fuel economy of the 2012 Toyota Prius C?
The 2012 Prius C is EPA-rated at 50 mpg combined (53 city / 46 highway), with an estimated annual fuel cost of $1,300.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.