2021 Mazda CX-9 Problems

37 owner complaints filed with the United States safety regulator · top issue: Engine · verdict BUY 87/100

Source NHTSA public complaint and recall record · methodology

What breaks, by owner reports

Engine20
Unknown Or Other6
Service Brakes4
Power Train3
Forward Collision Avoidance3
Vehicle Speed Control2

In the owners’ words

“The vehicle was parked stationary in the driveway with the engine running for 3-5 minutes with the A/C on. The vehicle then accelerated forward into my garage causing damage. Once I entered the vehicle, both the dash and shifter displayed park. Current TCU system internal failures have been reported from the pulling of data from Mazda.”NHTSA complaint, 2021 Mazda CX-9 owner
“Check engine light comes on and error P0303 comes on. Had an independent mechanic do the following and after each one, error P0303 still came on 1. Swap the ignition coils from 2 to 3 2. Swap spark plugs from 2 to 3 3. Swapped injectors 4. Compression test 5. Leak down test 6. Changed the spark plug, coil and injectors 7. Looked for vacuum leaks. Mechanic believes that it is related to the cracked cylinder head in t”NHTSA complaint, 2021 Mazda CX-9 owner
“Backup camera shows three to four feet before red collision line is not accurate causing severe damage to my garage door.”NHTSA complaint, 2021 Mazda CX-9 owner

Recall campaigns

ReportedComponentSummary
27/09/2021Seats:Mid/Rear AssemblyMazda 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 suc

Questions owners ask

Is the 2021 Mazda CX-9 reliable?

On the federal record it scores 87/100: 37 owner complaints (7.4 per year on the road) and 1 recall campaigns, 0 touching safety-critical systems.

What is the most common problem with the 2021 Mazda CX-9?

The most-reported component in NHTSA complaints is Engine, with 20 of 38 categorised reports.

Share this verdict

The 2021 Mazda CX-9 scored 87/100 on the federal record.

Full 2021 data pagecosts, verdict, every numberAll CX-9 yearswhich year to avoid Most complained-about carsthe national ranking