2020 Mazda CX-9 problems and complaints

Owners have filed 19 complaints with NHTSA about the 2020 Mazda CX-9. The most-reported areas: Engine (5), Electrical System (4), Fuel/Propulsion System (3).

Key takeaways

  • 19 owner complaints on file with NHTSA.
  • 1 involve a crash, 0 a fire, 1 reported injury.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine526%
Electrical System421%
Fuel/Propulsion System316%
Unknown Or Other316%
Service Brakes211%
Forward Collision Avoidance211%
Power Train211%
Air Bags15%
Back Over Prevention15%
Tires15%
Visibility/Wiper15%
Structure15%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2020 Mazda CX-9 SUV AWD5/54/55/54/5
2020 Mazda CX-9 SUV FWD5/54/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Air Bags - filed 2026-06-30

The contact owned a 2020 Mazda CX-9. The contact stated that while driving approximately 60 MPH, a second vehicle crashed head-on into the front of the vehicle. During the head-on crash, no air bags inside the vehicle deployed. The contact sustained a concussion and right eye injury and later received medical attention...

Fuel/Propulsion System - filed 2026-06-19

The mazda Cx-9 is having the same fuel pump issues that was recalled up until 2018 models. The issue with the lean codes and faulty fuel pump continues

Fuel/Propulsion System - filed 2026-06-01

Prior to [XXX] The vehicle ran rough and sputter excessively. I took car to local repair shop. Diagnostic equipment determined the fuel injector needed to be replaced. Vehicle ran better but continued to sputter and ride rough on occasion. Prior to [XXX], the vehicle stopped operating properly. The vehicle would not tr...

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More for the 2020 Mazda CX-9

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.