YearToAvoid

2011 Infiniti M37 Problems, Recalls & Reliability

Verdict

No verdict

Complaint Index

100/100

#1 most-complained of 3 M37 years

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

The 2011 Infiniti M37 has the highest complaint index (100) among its 3 model years tracked, ranking worst of the three. Transmission & Powertrain issues dominate at 48% of complaints, with a median failure mileage of 44,000 miles.

Complaints
31
Recalls
0
Crashes / fires
4 / 0
Injuries / deaths
2 / 0
NHTSA overall rating
4 / 5 ★
EPA combined MPG
21
18 city / 26 hwy

Top 2011 Infiniti M37 problems

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

  1. Transmission & Powertrain15 (48%)
  2. Engine8 (26%)
  3. Steering5 (16%)
  4. Brakes4 (13%)
  5. Suspension, Wheels & Tires4 (13%)
  6. Electrical System3 (10%)
  7. Other3 (10%)
  8. Airbags2 (6%)
  9. Collision Avoidance & Cameras1 (3%)
  10. Structure & Body1 (3%)

What owners report

  • Transmission hesitates for a couple of seconds when accelerating onto highway on-ramps, sometimes leading to being rear-ended.
  • The 7-speed transmission struggles to select the correct gear, causing delayed acceleration especially when merging.
  • Drivers report the transmission downshifting or shifting at random times after coming to a stop, sometimes fixed with a software update at the dealer.
  • Owners describe hesitation and jerking that can put the vehicle into a 'failsafe' mode, limiting speed and RPM.
  • Steering has been described as veering side to side on uneven roads, requiring constant correction.
  • Battery drains overnight and triggers a 'warning key system' message, sometimes requiring jump starts.
2011 Infiniti M37 complaints: complaints filed per month3Jun 2012Sep 2013Aug 2014Jan 2016Feb 2018May 2019Nov 2021
47 complaints filed with NHTSA from Jun 2012 to Dec 2025; peak Jun 2012 (3).

2011 Infiniti M37 recalls

No safety recalls on record for this model year.

2011 Infiniti M37 fuel economy and fuel cost

City
18 MPG
Highway
26 MPG
Combined
21 MPG
Annual fuel cost (EPA)
$3,800
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.

2011 compared with other M37 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201120122013
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2011No verdict10031021
2012No verdict5031021
2013No verdict016021

All Infiniti M37 years: best and worst →

Frequently asked questions

Is the 2011 Infiniti M37 a good year to buy?
NHTSA data shows the 2011 M37 has a complaint index of 100, the highest of the 3 model years with data, and ranks worst among them (rank 1 of 3 worst-first).
What is the most common problem with the 2011 Infiniti M37?
Transmission & Powertrain complaints make up 48% of all reported issues, with a median failure mileage of 44,000 miles, according to NHTSA complaints.
Are there recalls on the 2011 Infiniti M37?
NHTSA lists 0 recalls for the 2011 Infiniti M37, including 0 do-not-drive recalls.
Does the 2011 Infiniti M37 have transmission problems?
Yes, transmission issues account for 15 of 31 complaints (48%), with owners reporting hesitation, delayed shifting, and erratic downshifting around 44,000 miles.
How does the 2011 M37 compare to other years?
The 2011 model has a complaint index of 100, compared to 50 for 2012 and 0 for 2013, making 2011 the highest-complaint year of the three tracked.

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.