YearToAvoid

2019 Mazda CX-9 Reliability Data: Problems & Recalls

Good The 2019 Mazda CX-9 has a complaint index of 38, ranking 11th out of 17 model years, with a Good verdict. It has 53 complaints, 2 recalls, and the top problem area is the Engine at 43% of complaints.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
38/100
#11 of 17 CX-9 years
Verdict
Good
vs. other years of this model
Complaints
53
unique NHTSA reports
Recalls
2
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
0
Injuries
0
Top issue
Engine
Best nearby year
2020
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
23.5
21 city / 27 hwy
Injuries / deaths
0 / 0

Top 2019 Mazda CX-9 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine23 (43%)
  2. Other14 (26%)
  3. Electrical System7 (13%)
  4. Collision Avoidance & Cameras5 (9%)
  5. Transmission & Powertrain5 (9%)
  6. Structure & Body4 (8%)
  7. Suspension, Wheels & Tires4 (8%)
  8. Visibility & Wipers3 (6%)
  9. Brakes2 (4%)
  10. Fuel System2 (4%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Backup camera image freezes on the display while parking, leading to contact with another vehicle despite the camera showing clear space.
  • Sunroof glass reportedly shattered while driving at highway speed with no prior impact or warning.
  • Front axle or tie rod failure reported while backing up to parallel park, causing the front tire to bend inward.
  • Electrical system failures reported alongside lane-keep assist steering the vehicle toward oncoming traffic or off the road.
  • Infotainment touchscreen developed cracking or 'spidering' in the upper corner, making information hard to read.
  • Front suspension noise from the control arm and ball joint area that dealers reportedly could not resolve.
2019 Mazda CX-9 complaints: complaints filed per month4Mar 2019Jan 2021Aug 2022Jun 2023Feb 2024Oct 2024Aug 2025Jul 2026
53 complaints filed with NHTSA from Mar 2019 to Aug 2026; peak May 2023 (4).

2019 Mazda CX-9 recalls

2 NHTSA recall campaigns list this model year.

  1. NHTSA 21V875000Nov 12, 2021Fuel System121,038 vehicles

    Fuel system, gasoline:delivery:fuel pump

    Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

    Risk: Fuel pump failure may cause an engine stall, increasing the risk of a crash.

    Remedy: Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.

  2. NHTSA 19V770000Oct 28, 2019Suspension, Wheels & Tires146 vehicles

    Tires:tread/belt

    Mazda North American Operations (Mazda) is recalling certain 2019 CX-9 vehicles equipped with Sumitomo Falken ZIEX CT50 A/S tires, size P255/50R20 104V, having date code 1619. An incorrect rubber compound may have been used in the tire's manufacturing, allowing the tread to separate and detach.

    Risk: A detached tire tread can decrease vehicle stability and increase the risk of a crash.

    Remedy: Mazda will notify owners, and dealers will inspect all four tire serial numbers, replacing the tires as necessary, free of charge. The recall began December 4, 2019. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4019J.

2019 Mazda CX-9 fuel economy and fuel cost

City
21 MPG
Highway
27 MPG
Combined
23.5 MPG
Annual fuel cost (EPA)
$2,750
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2019 compared with other CX-9 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’07’08’09’10’11’12’13’14’15’16’17’18’19’20’21’22’23
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2017Best1961023.5
2018Avoid75128223.5
2019Good3853223.5
2020Best619123.5
2021Caution5639123.5

All Mazda CX-9 years: best and worst →

Frequently asked questions

Is the 2019 Mazda CX-9 reliable?
Based on NHTSA owner complaints and recalls, the 2019 CX-9 has a complaint index of 38 and ranks 11th out of 17 model years, earning a Good verdict relative to other CX-9 years.
What are the most common problems with the 2019 Mazda CX-9?
Engine issues make up 43% of complaints, followed by Electrical System problems at 13% and Collision Avoidance & Camera issues at 9%, according to NHTSA data.
Does the 2019 Mazda CX-9 have any recalls?
NHTSA lists 2 recalls for the 2019 CX-9: one for a fuel pump impeller that may crack, and one for Sumitomo Falken tires with an incorrect rubber compound.
How does the 2019 CX-9 compare to other CX-9 model years?
The 2019 CX-9's complaint index of 38 is much lower than the worst year, 2010, at 100, but higher than the best years, 2022 at 0 and 2020 at 6.
At what mileage do 2019 CX-9 engine problems typically appear?
NHTSA data shows a median mileage of 43,878 miles for Engine-related complaints on the 2019 CX-9.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.