YearToAvoid

2009 Infiniti G37 Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

100/100

#1 most-complained of 8 G37 years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2009 Infiniti G37 has 167 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 100 out of 100 — the highest of 8 G37 model years (verdict: Avoid). The most reported problem area is airbags (88 complaints, 53% of the total). Complaints report 5 crashes and 1 injury.

Complaints
167
Recalls
0
Crashes / fires
5 / 0
Injuries / deaths
1 / 0
NHTSA overall rating
Not rated
EPA combined MPG
20
17 city / 25 hwy

Top 2009 Infiniti G37 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Airbags88 (53%)
  2. Engine28 (17%)
  3. Other20 (12%)
  4. Structure & Body18 (11%)
  5. Transmission & Powertrain18 (11%)
  6. Electrical System16 (10%)
  7. Brakes7 (4%)
  8. Visibility & Wipers7 (4%)
  9. Steering4 (2%)
  10. Suspension, Wheels & Tires4 (2%)
2009 Infiniti G37 complaints: complaints filed per quarter202009 Q42012 Q32015 Q22017 Q12018 Q42020 Q42022 Q42025 Q1
211 complaints filed with NHTSA from 2009 Q4 to 2026 Q1; peak 2019 Q4 (20).

2009 Infiniti G37 recalls

No safety recalls on record for this model year.

2009 Infiniti G37 fuel economy and fuel cost

City
17 MPG
Highway
25 MPG
Combined
20 MPG
Annual fuel cost (EPA)
$4,000
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2009 compared with other G37 years

Complaint Index by model year (0 = fewest issues, 100 = most)025507510020072008200920102011201220132015
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2007No verdict010—
2008Good2966120
2009Avoid100167020
2010Caution7176020
2011Avoid8699119.5

All Infiniti G37 years: best and worst →

Frequently asked questions

Is the 2009 Infiniti G37 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2009 Infiniti G37 ranks worst among G37 model years (Complaint Index 100/100, verdict: Avoid). It has 167 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2009 Infiniti G37?
The most reported problem areas are airbags (88 complaints), engine (28 complaints), and structure & body (18 complaints). The median mileage at the time of failure in complaints that report it is 70,000 miles.
Does the 2009 Infiniti G37 have any recalls?
No safety recall campaigns list the 2009 Infiniti G37 in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2009 Infiniti G37?
EPA rates the 2009 Infiniti G37 at 20 MPG combined (17 city / 25 highway), with an estimated annual fuel cost of $4,000. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.