"How reliable is the 2016 Mazda Cx-9?"

"Based on 140 NHTSA complaints, the 2016 Mazda Cx-9 has a median complaint mileage of 32200 miles. The most common issue is ENGINE."

"What are common problems with the 2016 Mazda Cx-9?"

"The most frequently reported component in NHTSA complaints for the 2016 Mazda Cx-9 is ENGINE, accounting for a significant portion of the 140 total complaints filed."

2016 Mazda Cx-9: Reliability Data

Source: NHTSA — 140 complaints

140

Total Complaints

32,200mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

17,061 25th Percentile

32,200 Median Mileage

49,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

ELECTRICAL SYSTEM

SERVICE BRAKES

POWER TRAIN

FUEL/PROPULSION SYSTEM

UNKNOWN OR OTHER

STRUCTURE:BODY

SEATS

VEHICLE SPEED CONTROL

ENGINE AND ENGINE COOLING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I BOUGHT THE CAR SATURDAY. FOUR DAYS LATER, I FILLED THE TANK AT 2:00 PM FOR THE FIRST TIME. I THEN DROVE ABOUT 30 MILES. WHEN I ARRIVED HOME AT 5:00PM, I PARKED IN THE GARAGE. I NOTICED THE ODOR OF FUEL AS SOON AS I EXITED THE CAR AND CHECKED TO MAKE SURE I HAD SECURED THE GAS CAP, WHICH I HAD. THI..."

"AFTER A MINOR REAR END ACCIDENT, THE DRIVER FRONT SEAT NOW ROCKS SIDE TO SIDE AND IS DISTRACTING AND UNSAFE. IT WAS TAKEN TO THE LOCAL MAZDA DEALERSHIP THAT PROVIDED AN INSPECTION AND SAID THAT THERE IS NO PROBLEM WITH THE SEAT. THEY STATE THAT IT IS NORMAL FOR THEIR SEATS TO ROCK SIDE TO SIDE. H..."

"ONE MILE FROM HOME THE SMART BRAKE SYSTEM MALFUNCTION & FRONT RADAR SYSTEM MALFUNCTION WAS DISPLAYED. CAR WAS SHAKING AND ACTING AS IF THE EMERGENCY BRAKE WAS ACTIVE WHILE THE CAR WAS IN MOTION. CAR WAS SLOW TO ACCELERATE. HAD I BEEN ON THE INTERSTATE I COULD HAVE BEEN REAR-ENDED. PULLED OVER T..."

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