"How reliable is the 2017 Mazda Cx-9?"

"Based on 76 NHTSA complaints, the 2017 Mazda Cx-9 has a median complaint mileage of 33500 miles. The most common issue is ENGINE."

"What are common problems with the 2017 Mazda Cx-9?"

"The most frequently reported component in NHTSA complaints for the 2017 Mazda Cx-9 is ENGINE, accounting for a significant portion of the 76 total complaints filed."

2017 Mazda Cx-9: Reliability Data

Source: NHTSA — 76 complaints

Total Complaints

33,500mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

33,500 25th Percentile

33,500 Median Mileage

64,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

UNKNOWN OR OTHER

FUEL/PROPULSION SYSTEM

SUSPENSION

POWER TRAIN

STEERING

ELECTRICAL SYSTEM

WHEELS

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

SEATS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"HEARING A KNOCKING NOISE EVERY TIME I HIT AN UNEVEN PAVEMENT AND BUMP ON FRONT SUSPENSIONS. ALSO THERE IS A KNOCKICK SOUND COMING FROM BACK EVERYTIME I BREAK OR STARTS TO ACCELERATE FROM LONG STOP."

"EVERY TIME I STOP I HEAR A CLUNK SOUND FROM FRONT SUSPENSION AND ALSO WHEN I'M AT A DEAD STOP THEM I GO I HEAR THE CLUNK SOUND .I ALSO HERE THAT NOISE IN THE REAR SUSPENSION I'M WORRIED CAUSE I DON'T WANT SOMETHING BAD HAPPEN TO MY WIFE AND MY 8MONTH OLD DAUGHTER AND 9 YR OLD DAUGHTER WHILE I'M DEPL..."

"AFTER DRIVING FOR APPROXIMATELY 1 HR, WARNING MESSAGE FOR FRINT CAMERA AND AUTO BRAKE MALFUNCTION ILLUMINATED. POWER WAS DECREASED QUICKLY, NOT EVEN ENOUGH TINE TO PULL OFF THE ROAD. VEHICLE WAS DISABLED IN FAST LANE OF 4 LAND HIGHWAY. WHILE WAITING FOR TOW TRUCK, AFTER ABOUT AN HOUR THE VEHICLE RES..."

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