AVOIR

2009 Toyota Prius

Reliability, what owners report, and what it costs to keep.

66/100
Be careful

AVOIR's read: the numbers are mixed and the complaint record is worth reading before you commit.

What owners actually report

Owners have filed 502 complaints with NHTSA about the 2009 Toyota Prius, and it carries 6 recalls. These are owner allegations rather than confirmed defects, but the pattern of what people complain about is the most useful signal a used buyer has.

Complaints by area, from NHTSA records for this model-year
AreaComplaintsShare
Exterior lighting9719%
Service brakes7415%
Vehicle speed control479%
Service brakes428%
Service brakes367%
Electrical system173%
Structure112%
Engine112%
Unknown or other102%
Air bags92%

In owners' own words

Verbatim from NHTSA complaint records, trimmed for length.

Dashboard Warning Lights: ABS, VSC, Parking Brake Light, Triangle with Exclamation Point, Codes: C1256 & C1391, Intermittent Audible Cabin Buzzing indicating critical pressure loss on start-up for about 10 seconds...then

NHTSA complaint: Unknown or other

I own 2 2009 Toyota Prius. Both cars less than 175,000 miles and both have failed ABS modules. The ABS module in this vehicle is also the power brake booster. This failure can cause braking issues such as loss of braking

NHTSA complaint: Service brakes

Brake actuator is broken. Toyota knew about this problem and they had a warranty for 10 years or 150k miles. Mine only has 80k miles. The repair is half of what the car is worth. I thought a Toyota with such low miles

NHTSA complaint: Service brakes

The contact owns a 2009 Toyota Prius. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that the ABS warning

NHTSA complaint: Service brakes

The brake actuator is failing. It’s making unusual noises when stepping on the brakes. A new additional noise started in the last month which is the pump connected to the brake actuator. The technician told me the brakes

NHTSA complaint: Service brakes

Breaking system failure do to ASB Actuator, breaks are locking and vehicle is engine braking.

NHTSA complaint: Electrical system

When I am coming to a stop or need to put on my brakes my car will accelerate at a jump ahead pace As if to take off instead of slowing down and stopping. Regardless whether I’m turning a corner or I’m continuing straigh

NHTSA complaint: Vehicle speed control

The contact owns a 2009 Toyota Prius. The contact stated that while driving at an undisclosed speed, extra effort was needed to stop the vehicle while depressing the brake pedal. In addition, the contact stated that the

NHTSA complaint: Service brakes

Recalls on record

NHTSA lists 6 recall campaigns for the 2009 Toyota Prius. Recalls are free to have fixed at a franchised dealer regardless of who owns the car now, but only if they were never done, so check the VIN of the specific car rather than trusting the model.

Air bags:frontal:sensor/control module-inactive 13V014000

Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, and RAV4; model year 2009-2010 Avalon, FJ Cruiser, and Highlander Hybrid; model year 2010-2013 model y

Risk: If the front passenger seat occupant sensing system is out of calibration, the front passenger airbags may not deploy or they may deploy inappropriately for the passenger's size and position. This co

Fix: Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection sensors, and recalibrate them as necessary. The recall began on March 21, 2013. Owners may contac

Steering 12V537000

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 5, 2003, through March 30, 2009. The affected vehicles have a steering intermediate extension shaft assembly built with metal splines that complete the connection from the steering wheel to the steering gear. These

Risk: Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash.

Fix: Toyota will notify owners, and dealers will inspect the extension shaft and replace it if it is one with insufficient hardness, free of charge. The recall began during December 2012. Owners may cont

Engine and engine cooling 12V536000

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the

Risk: The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the

Fix: Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The recall began on January 17, 2013. Owners may contact their Toyota dealer or the Toyota Customer E

Vehicle speed control:accelerator pedal 09V388000

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004-2010 PASSENGER VEHICLES. THE ACCELERATOR PEDAL CAN GET STUCK IN THE WIDE OPEN POSITION DUE TO ITS BEING TRAPPED BY AN UNSECURED OR INCOMPATIBLE DRIVER'S FLOOR MAT.

Risk: A STUCK OPEN ACCELERATOR PEDAL MAY RESULT IN VERY HIGH VEHICLE SPEEDS AND MAKE IT DIFFICULT TO STOP THE VEHICLE, WHICH COULD CAUSE A CRASH, SERIOUS INJURY OR DEATH.

Fix: TOYOTA FILED AN AMENDED DEFECT REPORT ON NOVEMBER 25, 2009, STATING THAT DEALERS WILL MODIFY THE ACCELERATOR PEDAL AND, ON CERTAIN VEHICLES, ALTER THE SHAPE OF THE FLOOR SURFACE UNDER THE PEDAL. THES

The seven scores

Reliability raw51average
Longevity est.70good
Maintenance86excellent
Depreciation79good
Performance39below average
Efficiency67good

How it compares in its class

Percentile ranks against other midsize & large cars in the catalog.

Which of these numbers are measured

What stands behind each score for this car:

Common questions

What goes wrong with the 2009 Toyota Prius?

Owners have filed 502 complaints with NHTSA for this model-year, and exterior lighting is the most reported area with 97 of them (19%). There are 6 recalls on record. Check any specific car against its VIN before buying.

Is the 2009 Toyota Prius reliable?

AVOIR scores its reliability 51/100 (average) from NHTSA recall campaigns and complaint density. That figure is a raw complaint count, not yet adjusted for sales volume, so a high-volume model scores worse than it deserves.

How long will a 2009 Toyota Prius last?

AVOIR scores its longevity 70/100, but that figure is an estimate built from the powertrain and the brand's record, not a measurement. A 2009 car has no 200,000-mile population to observe yet, so treat it as a prior rather than evidence.

Should I buy a 2009 Toyota Prius?

AVOIR's read: be careful, because the numbers are mixed and the complaint record is worth reading before you commit. Its overall ownership score is 66/100. Condition, mileage and service history still matter more than any score, so get a pre-purchase inspection on the specific car.

Sources: NHTSA recalls and complaints, EPA fuel economy, IIHS awards, and live market listings. A score describes a model-year, not the individual car in front of you. Get a pre-purchase inspection.