2009 Toyota Avalon: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"TL*THE CONTACT OWNS A 2009 TOYOTA AVALON. WHILE DRIVING 30 MPH, THE DRIVER APPLIED LIGHT PRESSURE TO THE BRAKE PEDAL TO SLOW DOWN THE VEHICLE. THE VEHICLE CONTINUED TO ACCELERATE AND THE CONTACT HAD TO EXERT MAXIMUM PRESSURE TO THE BRAKE PEDAL IN ORDER TO COME TO A COMPLETE STOP. THE VEHICLE WAS ..."
"MY 2009 TOYOTA AVALON WITH 15000 AIR CONDITIONER QUIT WORKING. WHEN I TOOK IT TO THE DEALER, FRED ANDERSON TOYOTA IN RALEIGH NC THE FIRST THING OUT OF THEIR MOUNT IS A ROCK MAY HAVE HIT THE CONDENSOR AND DAMAGED IT AND THAT THIS WOULD NOT BE COVERED UNDER WARRANTY. SURE ENOUGH, WHEN THEY CALLED BA..."
"PURCHASED 2009 AVALON IN FEB. 2009. ABOUT 3 WEEKS AFTER PURCHASE, I WAS PULLING OUT OF A PARKING LOT INTO ON COMING TRAFFIC. AFTER BRAKING, THE CAR STARTED MOVING FORWARD UNDER ITS OWN POWER. IT WAS NOT JUST ROLLING FORWARD, THERE WAS POWER. LUCKILY NO CAR WAS CLOSE. I PROCEEDED ON HOPING THIS..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Toyota Avalon — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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