2021 Mazda CX-9 Problems

Below Average Complaints

Real NHTSA owner complaints for the 2021 Mazda CX-9.

20202022
Complaints
41
Crashes
10
Fires
0
Injuries
3
Fatalities
Recalls
1

Worst 2021 Mazda CX-9 Problems

Top 3 most-reported issues with average mileage at failure.

#116 complaints

Engine Problems

Avg mileage:51,093 mi
#24 complaints

Brakes

Crash-related:2
#33 complaints

Forward Collision Avoidance: Warnings

Crash-related:1
Considering a 2021 Mazda CX-9?

Check the actual VIN — every car is different.

This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).

Check VIN Free

All Problems by Category

Every NHTSA complaint category for the 2021 Mazda CX-9.

Engine Problems
16
complaints
Crashes
Fires
Avg Miles
51,093
Brakes
4
complaints
Crashes
2
Fires
Avg Miles
Forward Collision Avoidance: Warnings
3
complaints
Crashes
1
Fires
Avg Miles
Airbags
2
complaints
Crashes
2
Fires
Avg Miles
Transmission / Drivetrain
2
complaints
Crashes
1
Fires
Avg Miles
Back Over Prevention: Sensing System: Camera
1
complaints
Crashes
1
Fires
Avg Miles
Back Over Prevention: Warnings
1
complaints
Crashes
Fires
Avg Miles
Instrument Cluster
1
complaints
Crashes
Fires
Avg Miles
Steering Defects
1
complaints
Crashes
1
Fires
Avg Miles
Suspension Failures
1
complaints
Crashes
Fires
Avg Miles
Vehicle Speed Control:Accelerator Pedal
1
complaints
Crashes
Fires
Avg Miles
Wipers & Visibility
1
complaints
Crashes
Fires
Avg Miles
Wheel Issues
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2021 Mazda CX-9. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2021 Mazda CX-9

1 NHTSA recall campaign affecting ~8,648 vehicles.

21V750000Seats:mid/rear Assembly · Seat Belts:rear/other
~8,648 affected

Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-9 vehicles equipped with 60/40 split bench second-row seats. The left-side second-row seat may unexpectedly slide forward during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."

Other Mazda CX-9 Years

2021 Mazda CX-9 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2021 Mazda CX-9 reliable?
Verdict: Below Average Complaints. The 2021 Mazda CX-9 has 41 NHTSA complaints, 10 crash-related, and 1 recall campaign. The most common issue is Engine Problems with 16 complaints. Source: NHTSA via VinItel.
What are common problems with the 2021 Mazda CX-9?
Top reported problems: Engine Problems (16 complaints, avg 51,093 mi); Brakes (4 complaints); Forward Collision Avoidance: Warnings (3 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2021 Mazda CX-9?
The weighted average mileage at time of complaint is about 51,093 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2021 Mazda CX-9?
NHTSA complaints for the 2021 Mazda CX-9 include 10 crash-related reports, 0 fire reports, 3 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2021 Mazda CX-9 have any recalls?
Yes — 1 NHTSA recall campaign affecting an estimated 8,648 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2021 Mazda CX-9?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mazda CX-9 reliability report with year-by-year comparison and generation analysis.

Check Your Specific 2021 Mazda CX-9

Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.

Check Any VIN — $4.99