"How reliable is the 2008 Mazda Cx-9?"

"Based on 229 NHTSA complaints, the 2008 Mazda Cx-9 has a median complaint mileage of 104000 miles. The most common issue is SUSPENSION."

"What are common problems with the 2008 Mazda Cx-9?"

"The most frequently reported component in NHTSA complaints for the 2008 Mazda Cx-9 is SUSPENSION, accounting for a significant portion of the 229 total complaints filed."

2008 Mazda Cx-9: Reliability Data

Source: NHTSA — 229 complaints

229

Total Complaints

104,000mi

Median Mileage

SUSPENSION

Top Issue

Crash Reports

When Do Complaints Happen?

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

60,500 25th Percentile

104,000 Median Mileage

126,157 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SUSPENSION

AIR BAGS

POWER TRAIN

SERVICE BRAKES

STEERING

WHEELS

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

SERVICE BRAKES, HYDRAULIC

SEATS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2008 MAZDA CX-9. WHILE DRIVING 45 MPH, THE CONTACT NOTICED A WAVE IN THE WINDSHIELD. WHEN HE PASSES OTHER OBJECTS, THE WAVES APPEAR TO RIPPLE. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND THEY REPLACED THE WINDSHIELD; HOWEVER, THE FAILURE PERSISTS. THE DEALER HAS BEEN AUT..."

"DRIVE SHAFT FAILURE ON 2008 MAZDA CX9 1,750 MILES, DRIVE SHAFT NEEDS TO BE COMPLETELY REPLACED, ACCORDING TO DEALER NOT THE FIRST ONE THEY HAVE SEEN (RAMSEY MAZDA NJ) DRIVE SHAFTS SHOULD NOT FAIL ON NEW CARS, CAN BE DANGEROUS. *TR"

"THE FRONT PASSENGER AND DRIVER SEAT HEAD RESTS BEND TOO MUCH FORWARD CAUSING NECK PAIN. THIS BEND CANNOT BE ADJUSTED. MAZDA SAYS THAT THE HEADREST SPECIFICATIONS WERE DICTATED TO THEM BY GOVERNMENT STANDARDS. HOWEVER, NONE OF THE OTHER VEHICLES I HAVE SEEN HAS THIS MUCH BEND. IF THE VEHICLE HEAD ..."

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