2012 Mazda CX-9 used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• Engine stalls while driving21 owner complaints, usually around 40,500 miles

  Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.

• Brake failure18 owner complaints, usually around 75,000 miles

  Brake firmly from moderate speed: the pedal should feel firm and the car should stop straight, with no grinding or pulsing.

• Soft or spongy brake pedal14 owner complaints, usually around 53,000 miles

  Brake firmly from moderate speed: the pedal should feel firm and the car should stop straight, with no grinding or pulsing.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

• Air bagsRecall number 19V782000, Oct 31, 2019
• Air bagsRecall number 18V717000, Oct 12, 2018
• Air bagsRecall number 17V457000, Jul 18, 2017
• SuspensionRecall number 15V451000, Jul 20, 2015

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red....Apr 21, 2026
• Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle...Aug 7, 2024
• Automatic Transmission/Transaxle Cooler and Lines Flushing Procedure: Automatic Transaxle/Transmission...Dec 8, 2021
• Some customers may complain about high engine oil consumptionOct 6, 2021
• If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...),...May 5, 2021
• Subject: UPDATEMay 5, 2021

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.