"How reliable is the 2010 Mazda Cx-9?"

"Based on 193 NHTSA complaints, the 2010 Mazda Cx-9 has a median complaint mileage of 71000 miles. The most common issue is SERVICE BRAKES."

"What are common problems with the 2010 Mazda Cx-9?"

"The most frequently reported component in NHTSA complaints for the 2010 Mazda Cx-9 is SERVICE BRAKES, accounting for a significant portion of the 193 total complaints filed."

2010 Mazda Cx-9: Reliability Data

Source: NHTSA — 193 complaints

193

Total Complaints

71,000mi

Median Mileage

SERVICE BRAKES

Top Issue

Crash Reports

When Do Complaints Happen?

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

40,500 25th Percentile

71,000 Median Mileage

104,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES

POWER TRAIN

ENGINE

SUSPENSION

AIR BAGS

VEHICLE SPEED CONTROL

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

ENGINE AND ENGINE COOLING

WHEELS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"NEW VEHICLE WITH DEAD BATTERY ON FOUR SEPERATE OCCASIONS. TOOK TO DEALERSHIP, BATTERY REPLACED. CHILD COMPLAINED THAT SEAT WAS HOT. NEXT DAY DEALER NOTIFIED AND CAR BROUGHT IN T ODEALERSHIP. A LOANER VEHICLE WAS RECEIVED. I WAS NOTIFIED HEATED SEATS WITH RECALL AND WOULD BE DISCONNECTED AT THIS TIME..."

"TL*THE CONTACT OWNS A 2010 MAZDA CX-9. THE CONTACT STATED THAT THERE WAS A LOUD TICKING NOISE IN THE ENGINE. ONCE THE ENGINE WAS COLD THE NOISE BECAME EXTREMELY LOUD BUT WHEN IT WAS WARM THE NOISE CEASED. THE VEHICLE WAS TAKEN TO THE DEALER TWICE. THE FIRST TIME THEY STATED THAT THEY CORRECTED THE P..."

"TL*THE CONTACT OWNS A 2010 MAZDA CX9. THE CONTACT STATED THAT WHENEVER SHE MADE A TURN, HER VISIBILITY WAS SEVERELY AFFECTED BECAUSE OF THE PLACEMENT AND SIZE OF THE REARVIEW MIRRORS. THE VEHICLE HAD NOT BEEN INSPECTED OR REPAIRED. THE FAILURE MILEAGE WAS 0 AND THE CURRENT MILEAGE WAS APPROXIMATELY ..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

SERVICE BRAKES 72 complaints

25th: 50,000 mi Median: 71,000 mi 75th: 100,000 mi

POWER TRAIN 21 complaints

25th: 57,775 mi Median: 76,600 mi 75th: 105,178 mi

ENGINE 17 complaints

25th: 40,352 mi Median: 77,500 mi 75th: 94,500 mi

SUSPENSION 14 complaints

25th: 109,500 mi Median: 125,000 mi 75th: 133,600 mi

AIR BAGS 12 complaints

25th: 15,000 mi Median: 70,000 mi 75th: 90,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

NY: 23 TX: 21 CA: 19 FL: 14 NJ: 13 MA: 11 OH: 8 CO: 7 CT: 7 MD: 6

Who Files Complaints?

1.6%

Original Owners

98.4%

Second+ Owners

Mazda Cx-9 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2007	98	94,500	SUSPENSION	3
2008	229	104,000	SUSPENSION	14
2009	65	80,000	SERVICE BRAKES	2
2011	206	75,200	SERVICE BRAKES	10
2012	263	55,000	SERVICE BRAKES	14
2013	79	53,000	ENGINE	7
2014	73	52,789	ENGINE	1
2015	45	65,000	ENGINE	1
2016	140	32,200	ENGINE	6
2017	76	33,500	ENGINE	0
2018	162	18,500	ENGINE	6
2019	69	28,000	ENGINE	1
2020	23	-	ENGINE	0
2021	41	51,093	ENGINE	10

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