2010 Mazda Cx9: Reliability Data

Source: NHTSA — 35 complaints
35
Total Complaints
92,500mi
Median Mileage
SERVICE BRAKES
Top Issue
2
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

65,000 25th Percentile
92,500 Median Mileage
108,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES
15
ENGINE
6
AIR BAGS
6
SUSPENSION
2
VISIBILITY:SUN/MOON ROOF ASSEMBLY
1
VEHICLE SPEED CONTROL
1
EXTERIOR LIGHTING
1
TIRES:VALVE
1
SEAT BELTS
1
POWER TRAIN
1

Severity Assessment

2
Crashes
0
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"VEHICLE WAS PARKED IN A GARAGE (NOT HEATED) AFTER TRAVELING APPROXIMATELY 18 MILES FROM WORK WITH TEMPERATURES IN THE TEENS. AFTER BEING PARKED IN THE GARAGE UNATTENDED FOR APPROXIMATELY 10 MINUTES, THE SUNROOF EXPLODED. THE SOUND COULD BE HEARD FROM INSIDE THE HOUSE. WHEN I INVESTIGATED, THE REMAIN..."
"MY CAR HAD UNEXPECTED ACCELERATIONS 3 DIFFERENT TIMES. MY BRAKES WOULD NOT STOP MY CAR. I HAD A TEAR IN MY KNEE ON THE LAST INCIDENT IN MARCH 2012. MY MEDICAL BILLS WERE AROUND $5,000. MAZDA KEPT MY CAR AND GAVE ME A RENTAL. BUT SAID THEY COULD FIND NOTHING. I SOLD THE CAR. I KNOW THIS DEALERSHIP HA..."
"MY CAR HAD UNEXPECTED ACCELERATIONS 3 DIFFERENT TIMES. MY BRAKES WOULD NOT STOP MY CAR. I HAD A TEAR IN MY KNEE ON THE LAST INCIDENT IN MARCH 2012. MY MEDICAL BILLS WERE AROUND $5,000. MAZDA KEPT MY CAR AND GAVE ME A RENTAL. BUT SAID THEY COULD FIND NOTHING. I SOLD THE CAR. I KNOW THIS DEALERSHIP HA..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

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