INFINITI M · model year

2009 INFINITI M

1 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2009INFINITIM carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2009 M is power train with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 7 investigation files overlapping the 2009 M. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

1 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
POWER TRAIN1

Recent Complaints

20120103POWER TRAIN

I RECENTLY BOUGHT A 2009 INFINITI M35. MY VEHICLE AND PROBABLY MANY OTHER 2009 INFINITIS WITH THE 7-SPEED TRANSMISSION HAS THE FOLLOWING ISSUES: 1) HARSH DOWNSHIFTS: THE VEHICLE SUDDENLY DOWNSHIFTS AND THIS ACTION BRAKES THE VEHICLE SIGNIFICANTLY WITHOUT THE DRIVER'S WILL. IF THERE IS ANOTHER VEHICLE FOLLOWING CLOSELY IT MIGHT CRASH THE INFINITI FROM BEHIND. 2) LAG OF POWER: SOMETIMES THE CAR IS "SEARCHING" FOR THE RIGHT GEAR, RESULTING IN A LAG OF POWER. THIS IS VERY DANGEROUS ESPECIALLY WHILE MERGING INTO HIGHWAYS SINCE THE CAR SOMETIMES DELAYS/REFUSES TO ACCELERATE. 3) DOWNSHIFTS AT WRONG TIME: I WILL DESCRIBE THIS ISSUE USING AN EXAMPLE. ASSUME YOU MAKE A FULL STOP AT A STOP SIGN. THE CAR STILL HAS 2ND OR 3RD GEAR EVEN IF THE CAR HAS STOPPED COMPLETELY. WHEN YOU BEGIN ACCELERATING THE CAR DOWNSHIFTS TO 1ST GEAR, WHICH PUSHES THE CAR FORWARD IN A VERY HARSH WAY. VERY DANGEROUS IN CITY DRIVING. (IMAGINE WHAT HAPPENS WHEN YOU DOWNSHIFT FORM 3RD OR 2ND GEAR TO 1ST GEAR WHI

Compare 2009INFINITIM to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2009 INFINITI M have?
The 2009 INFINITI M has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2009 INFINITI M?
The most-complained component for the 2009 INFINITI M is POWER TRAIN with 1 complaints. Other frequently reported areas include various components.
Is the 2009 INFINITI M safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.