2015 Mazda CX-9 reliability
NHTSA's file on the 2015 Mazda CX-9 holds 35 complaints after 12 years, a rate of 3 per year. That is fewer complaints per year than most CX-9 years here — under the median of the other years, which is 4. NHTSA has 2 recalls on file, including Inflator and Steering.
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The complaints owners file most often name Engine (17 of 35), then Powertrain (3) and Service brakes (3). Those filings include 1 that reports a crash and 2 that report an injury.
The 2014 CX-9 has 54 complaints, 4 per year, and the 2016 has 99 complaints, 4 per year. The 2015 has fewer complaints per year than the 2014. The 2015 has fewer complaints per year than the 2016.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2015 Mazda CX-9. How we count. Data as of .
Recalls (2)
Complaints by component (35 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"My Mazda has been serviced regularly, in fact my next oil change isn't for 2,000 more miles. I was driving when I heard this weird noise. I looked at the dash and the oil light was flashing and the temperature was over…"
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"We have a 2015 Mazda CX-9 Touring with All-Wheel Drive (AWD). The issue that has been happening is a flashing check engine light (CEL) indicator showing up in the gauge cluster. This issue originally started in October…"
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"2015 transmission problem Mazda dealership unable to affect because transmissions are no longer made for my model"
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"The contact owns a 2015 Mazda CX9. The contact stated that while driving at approximately 55 MPH, the vehicle shut off. The contact stated that the engine was overheating. The contact restarted the vehicle, and the…"
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"The issue is with the design of the Water Pump on this vehicle. From my understanding, this is a common issue with the 2015 Mazda CX-9. What happens is once the water pump starts to fail due to the design, the vehicle…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2015 Mazda CX-9 SUV AWD | 4 stars | 3 stars | 5 stars | 4 stars |
| 2015 Mazda CX-9 SUV FWD | 4 stars | 3 stars | 5 stars | 4 stars |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Fuel economy
| Trim | Engine | Transmission | Drive | City | Hwy | Combined | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| CX-9 two-wheel drive | 3.7L, 6-cyl | Automatic (6-speed) | Front-wheel drive | 17 | 24 | 19 MPG | $3400 |
| CX-9 four-wheel drive | 3.7L, 6-cyl | Automatic (6-speed) | Four-wheel drive | 16 | 22 | 19 MPG | $3400 |
Specs and fitment
Known issues for this generation
NHTSA recall 19V-403 covers certain 2018 Mazda CX-9 vehicles whose wiring harness may disrupt electric power steering assist. Recall 21V-875 covers certain 2018-2019 CX-9 (and other Mazda) vehicles for a low-pressure fuel pump impeller that may crack and cause an engine stall. Confirm open campaigns by VIN.
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Frequently asked questions
Is the 2015 Mazda CX-9 reliable?
NHTSA's file on the 2015 Mazda CX-9 holds 35 complaints after 12 years, a rate of 3 per year. That is fewer complaints per year than most CX-9 years here — under the median of the other years, which is 4. NHTSA has 2 recalls on file, including Inflator and Steering.
What are common problems with a 2015 Mazda CX-9?
The complaints owners file most often name Engine (17 of 35), then Powertrain (3) and Service brakes (3). Those filings include 1 that reports a crash and 2 that report an injury.
Is the 2015 Mazda CX-9 more reliable than the years next to it?
The 2014 CX-9 has 54 complaints, 4 per year, and the 2016 has 99 complaints, 4 per year. The 2015 has fewer complaints per year than the 2014. The 2015 has fewer complaints per year than the 2016.
Has the 2015 Mazda CX-9 been recalled?
The 2015 Mazda CX-9 has 2 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.
How many complaints have owners filed about the 2015 Mazda CX-9?
Owners have filed 35 complaints about the 2015 Mazda CX-9 with NHTSA.
What mpg does a 2015 Mazda CX-9 get?
EPA-rated combined fuel economy for the 2015 Mazda CX-9 is 19 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.
What engine oil does a Mazda CX-9 use?
US CX-9 manuals specify SAE 5W-30 for the SKYACTIV-G 2.5T turbo engine.
What generation is the 2018 Mazda CX-9?
2nd generation / TC (2016-2023).
What tire sizes does a Mazda CX-9 use?
Second-gen US sizes include 255/60R18 and 255/50R20; first-gen pages list 245/60R18 and 245/50R20.