2023 Mazda CX-9 reliability

Is it reliable?

Owners have filed 12 complaints with NHTSA about the 2023 Mazda CX-9 over 4 years — 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 no recalls on file for this model year.

2012 Mazda CX-9
Photo by Ethan Llamas, resized from the original. Wikimedia Commons CC0
Complaints

12

Per year

3

Recalls

0

Years on the road

4

What owners report

The complaints owners file most often name Chest clip, buckle, and harness (2 of 12), then Forward collision avoidance (2) and Service brakes (2). Those filings include 3 that report a crash and 1 that reports an injury.

Next to 2022

The 2022 CX-9 has 10 complaints, 1 per year. The 2023 has more complaints per year than the 2022.

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 2023 Mazda CX-9. How we count. Data as of .

Recalls (0)

No recalls on file with NHTSA for this model year.

Complaints by component (12 total)

Chest clip, buckle, and harness
2
Forward collision avoidance
2
Service brakes
2
Steering
2
Air bags
1
Electrical system
1
Structure
1
Tires
1
Crash-flagged

3

Fire-flagged

0

Injury reports

1

Death reports

0

Complaints filed per year

42023120244202532026
Excerpts from recent NHTSA complaint filings
  • "I am reporting a critical mechanical restraint failure regarding the 5-point harness crotch buckles on the Graco TrioGrow and the Graco TriRide car seats. The red button-release tension on both of these models is…"
    chest clip, buckle, and harness · filed 2026-06-08
  • "I am reporting a critical mechanical restraint failure regarding the 5-point harness crotch buckles on the Graco TrioGrow and the Graco TriRide car seats. The red button-release tension on both of these models is…"
    chest clip, buckle, and harness · filed 2026-06-08
  • "On February 9, 2026, our 2023 Mazda CX‑9 experienced a sudden and complete system malfunction while being driven. Multiple system failures began approximately six minutes before the crash. During this time, the driver…"
    Unknown or other, Forward collision avoidance · filed 2026-02-11
  • "If you press both the brake and gas at the same time (even if accidental), the onboard computer apparently thinks that the driver is confused, and it sets the gas flow to “idle”. The first time this happened was on the…"
    Service brakes · filed 2025-11-15
  • "I recently purchased a 2023 Mazda CX9 with factory installed tires, Falken Ziex CT50 A/S p255/50R20 104V M+S. I was driving on the freeway on Tuesday [XXX] going around 65-70MPH. My tire pressure light came on all of a…"
    Tires · filed 2025-08-09

NHTSA crash ratings

Version Overall Front Side Rollover
2023 Mazda CX-9 SUV AWD 5 stars 4 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 four-wheel drive 2.5L, 4-cyl Automatic (6-speed) Four-wheel drive 20 26 23 MPG $2800

Specs and fitment

2nd generation (TC), 2016–2023
Body styles SUV
Oil SAE 5W-30 (SKYACTIV-G 2.5T turbo) , 5.1 qt capacity
Tire size 255/50R20, 255/60R18 (trim dependent)
Towing capacity 3,500 lbs

Known issues for this generation

NHTSA campaign 19V-403 covers certain 2018 Mazda CX-9 vehicles: the wiring harness may disrupt electrical communications and disable the passenger frontal air bag, turn signals, and/or engine starting; dealers repair the harnesses. Campaign 21V-875 covers certain 2018-2019 CX-9 vehicles (with Mazda3, Mazda6, CX-3, CX-5, MX-5, and Mazda2 in the same campaign) where the low-pressure fuel pump impeller may crack and cause an engine stall; dealers replace the fuel pumps. Confirm open campaigns by VIN; multi-model unit counts are shared.

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Frequently asked questions

Is the 2023 Mazda CX-9 reliable?

Owners have filed 12 complaints with NHTSA about the 2023 Mazda CX-9 over 4 years — 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 no recalls on file for this model year.

What are common problems with a 2023 Mazda CX-9?

The complaints owners file most often name Chest clip, buckle, and harness (2 of 12), then Forward collision avoidance (2) and Service brakes (2). Those filings include 3 that report a crash and 1 that reports an injury.

Is the 2023 Mazda CX-9 more reliable than the years next to it?

The 2022 CX-9 has 10 complaints, 1 per year. The 2023 has more complaints per year than the 2022.

Has the 2023 Mazda CX-9 been recalled?

NHTSA has no recalls on file for the 2023 Mazda CX-9.

How many complaints have owners filed about the 2023 Mazda CX-9?

Owners have filed 12 complaints about the 2023 Mazda CX-9 with NHTSA.

What mpg does a 2023 Mazda CX-9 get?

EPA-rated combined fuel economy for the 2023 Mazda CX-9 is 23 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.