DecodedCars2013 Infiniti M56
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2013 models.
- Class
- Midsize Cars
- Body styles
- 4dr Sedan M56x AWD/M56 Sport
- Engines
- 5.6L 8-cyl
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 19 combined · 16 city / 24 hwy
- Length
- 194.9 in
- Curb weight
- 4,147 lb
- NHTSA rating
- Not rated
- Recalls
- 3 campaigns
Pros & cons
What's good
- AWD / 4WD available
Watch out for
- Below-average fuel economyBest version gets 19 MPG combined, 25% below the 2013 midsize car average of 25.3 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 28 similar 2013 models — not a review. How we calculate this →
Overview
The 2013 Infiniti M56 is a midsize car offered with a 5.6L 8-cyl engine and rear-wheel drive and all-wheel drive.
It measures about 195 inches long and 73 inches wide on a 114-inch wheelbase, with a curb weight of roughly 4,147 lb.
EPA rates its most efficient version at 19 MPG combined (16 city / 24 highway), 25% worse than the 2013 midsize car average of 25.3 MPG, for an estimated $4,350 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 3 recall campaigns on file and owners have filed 2 complaints with NHTSA since 2015, most often about the fuel/propulsion system.
What changed for 2013
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2012 M56 — a carry-over year in the data.
Compared with 2012; trim, feature and price changes aren't covered. See the 2012 M56 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr Sedan M56x AWD/M56 Sport | 194.9 in | 72.8 in | 59.1 in | 114.2 in | 62.2 / 61.8 in | 4,147 lb | 54/46 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| M56 | 5.6L 8-cyl | Automatic (S7) | Rear-Wheel Drive | 16 / 24 / 19 | -25% | $4,350 | 476 |
| M56x | 5.6L 8-cyl | Automatic (S7) | All-Wheel Drive | 16 / 23 / 18 | -29% | $4,550 | 487 |
EPA estimates; "vs. class" is combined MPG against the 2013 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2013 Infiniti M56.
Similar 2013 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2013 Infiniti M56 (this car) | 19 MPG | Not rated | 3 |
| 2013 BMW 5 Series | 27 MPG | Not rated | 0 |
| 2013 Mercedes-Benz E-Class | 26 MPG | Not rated | 0 |
| 2013 Audi A6 | 28 MPG | Not rated | 6 |
| 2013 Lexus LS | 20 MPG | Not rated | 1 |
| 2013 Tesla Model S | 265 mi | Not rated | 11 |
| 2013 Jaguar XJ | 21 MPG | Not rated | 3 |
Recalls (3)
Power Train › Driveline › Driveshaft · Jun 21, 2024
NHTSA campaign 24V470000 · 7,222 vehicles
- Problem
- 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.
- Risk
- 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.
- Fix
- 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 · Dec 7, 2020
NHTSA campaign 20V755000 · 2,708 vehicles
- Problem
- 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.
- Risk
- 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.
- Fix
- 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.
Fuel System, Gasoline · Nov 28, 2014
NHTSA campaign 14V683000 · 133,592 vehicles
- Problem
- Nissan North America, Inc. (Nissan) is recalling certain model year 2012-2014 Nissan Juke, 2012-2013 Infiniti M56, QX56, and 2014-2015 Infiniti Q70 (V8 engine vehicles only), and QX80 vehicles. The fuel pressure sensors may not have been sufficiently tightened during production. As a result, the fuel pressure sensor may loosen with vehicle usage and cause a fuel leak.
- Risk
- A fuel leak in the presence of an ignition source could cause a vehicle fire.
- Fix
- Nissan will notify owners, and dealers will re-torque the fuel pressure sensors free of charge. The recall began on January 25, 2015. Owners may contact Nissan customer service at 1-800-647-7261.
Not every 2013 Infiniti M56 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2013 Infiniti M56 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 3 recalls this year — ask for proof of repairs.
- Fuel/Propulsion System — 2 owner reports. Smell for fuel around the car and in the cabin, check that it starts easily when warm, and look at the oil dipstick for a fuel smell or rising level.
- Power Train — 2 owner reports. Test-drive through all gears, including reverse; note slipping, harsh or delayed shifts.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2013 Infiniti M56. Not a substitute for a professional inspection.
Other M56 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →