"How reliable is the 2019 Mazda Cx-9?"

"Based on 69 NHTSA complaints, the 2019 Mazda Cx-9 has a median complaint mileage of 28000 miles. The most common issue is ENGINE."

"What are common problems with the 2019 Mazda Cx-9?"

"The most frequently reported component in NHTSA complaints for the 2019 Mazda Cx-9 is ENGINE, accounting for a significant portion of the 69 total complaints filed."

2019 Mazda Cx-9: Reliability Data

Source: NHTSA — 69 complaints

Total Complaints

28,000mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

15,000 25th Percentile

28,000 Median Mileage

40,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

SUSPENSION

POWER TRAIN

STRUCTURE:BODY

VISIBILITY/WIPER

SERVICE BRAKES

FORWARD COLLISION AVOIDANCE: WARNINGS

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2019 MAZDA CX-9. WHILE DRIVING 65 MPH, THE SUN ROOF EXPLODED WITHOUT IMPACT OR WARNING. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT CALLED JEFF HASS MAZDA (11222 KATY FWY, HOUSTON, TX 77043, (713) 568-4256) AND WAS INFORMED THAT A ROCK MAY HAVE STRUCK THE SUN ROO..."

"TL* THE CONTACT OWNS A 2019 MAZDA CX-9. WHILE DRIVING IN REVERSE IN ORDER TO PARALLEL PARK THE VEHICLE, THE FRONT AXLE FRACTURED AND CAUSED THE FRONT DRIVER'S SIDE TIRE TO BEND INWARDLY. THE VEHICLE WAS TOWED TO GARDEN CITY MAZDA (LOCATED AT 209 NORTH FRANKLIN ST, HEMPSTEAD, NY 11550, 516-292-7827) ..."

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