2011 Infiniti M56
The Verdict
Worst problem area
Transmission & Drivetrain
Transmission & Drivetrain leads by volume: 6 of 13 complaints (46%) mention it.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2011 | 2012 | 2013 | vs. 2011 Midsize Cars |
|---|---|---|---|---|
| Annual fuel cost ($) | 4,100–4,300 | 4,100–4,300 | 4,100–4,300 | |
| Combined MPG | 18–19 | 18–19 | 18–19 | |
| City / Highway MPG | 16 / 23–25 | 16 / 23–24 | 16 / 23–24 | |
| CO₂ tailpipe (g/mi) | 468–494 | 468–494 | 476–487 | |
| Complaints filed | 13 | 3 | 2 | |
| Recalls issued | 2 | 3 | 3 | |
| Crash-involved complaints | 0 | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | 0 | |
| Injuries reported | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | |
| Configurations compared | 2 | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2011 Infiniti M56 have?
2 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2011 Infiniti M56?
Transmission & Drivetrain: 6 of 13 NHTSA complaints (46%) mention it.
What gas mileage does the 2011 Infiniti M56 get?
EPA rates it 18–19 MPG combined across 2 configurations.
How much does it cost to fuel a 2011 Infiniti M56?
EPA estimates $4,100–$4,300 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (2)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S7) | 8 | 5.6L | Rear-Wheel Drive | Premium | Midsize Cars | 16 mpg | 25 mpg (high) | 19 mpg (high) | $4,100 (low) | 468 g/mi (low) |
| Configuration 2 | Automatic (S7) | 8 | 5.6L | All-Wheel Drive | Premium | Midsize Cars | 16 mpg | 23 mpg (low) | 18 mpg (low) | $4,300 (high) | 494 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 4 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 6 | 0 | 0 | 0 | 0 |
| Fuel System | 0 | 0 | 0 | 0 | 0 |
| Electrical | 3 | 0 | 0 | 0 | 0 |
| Brakes | 2 | 0 | 0 | 0 | 0 |
| Steering | 1 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 1 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 2 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 1 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (2)
POWER TRAIN:DRIVELINE:DRIVESHAFT · Campaign 24V470000 · Jun 24, 2024
Defect: Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Consequence: A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.
Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
POWER TRAIN:DRIVELINE:DRIVESHAFT · Campaign 20V755000 · Dec 8, 2020
Defect: Nissan North America, Inc. (Nissan) is recalling certain 2011-2013 Infiniti M56, 2012-2013 M35 Hybrid, and 2014 Q70 and Q70 Hybrid vehicles. These models, equipped with 2WD and with a hybrid or VK56 powertrain, have a driveshaft that may break.
Consequence: A broken driveshaft can cause a loss of propulsion, increasing the risk of a crash, or may disable the parking brake, increasing the risk of a rollaway and injury.
Remedy: Infiniti will notify owners, and dealers will replace the driveshaft, free of charge. The recall began February 5, 2021. Owners may contact Infiniti customer service at 1-800-662-6200.