DecodedCars2011 Infiniti M37
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2011 models.
- Class
- Midsize Cars
- Body styles
- 4dr Sedan, /M56 4dr Sedan M37x AWD/M37 Sport/M56
- Engines
- 3.7L 6-cyl
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 21 combined · 18 city / 26 hwy
- Length
- 194.9 in
- Curb weight
- 3,858–4,028 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- AWD / 4WD available
- No recalls so far
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 26 similar 2011 models — not a review. How we calculate this →
Overview
The 2011 Infiniti M37 is a midsize car offered with a 3.7L 6-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 3,858 lb (4dr Sedan).
EPA rates its most efficient version at 21 MPG combined (18 city / 26 highway), 9% worse than the 2011 midsize car average of 23.2 MPG, for an estimated $3,900 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 0 recall campaigns on file and owners have filed 17 complaints with NHTSA since 2015, most often about the power train.
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr Sedan | 194.9 in | 72.8 in | 59.1 in | 114.2 in | 62.2 / 61.8 in | 3,858 lb | 54/46 |
| /M56 4dr Sedan M37x AWD/M37 Sport/M56 | 194.9 in | 72.8 in | 59.1 in | 114.2 in | 62.2 / 61.8 in | 4,028 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 |
|---|---|---|---|---|---|---|---|
| M37 | 3.7L 6-cyl | Automatic (S7) | Rear-Wheel Drive | 18 / 26 / 21 | -9% | $3,900 | 423 |
| M37x | 3.7L 6-cyl | Automatic (S7) | All-Wheel Drive | 18 / 24 / 20 | -14% | $4,100 | 444 |
EPA estimates; "vs. class" is combined MPG against the 2011 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2011 Infiniti M37.
Similar 2011 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2011 Infiniti M37 (this car) | 21 MPG | Not rated | 0 |
| 2011 BMW 5 Series | 25 MPG | Not rated | 5 |
| 2011 Mercedes-Benz E-Class | 20 MPG | Not rated | 0 |
| 2011 Audi A4 | 25 MPG | Not rated | 0 |
| 2011 Audi A6 | 24 MPG | Not rated | 3 |
| 2011 Lexus LS | 20 MPG | Not rated | 0 |
| 2011 Jaguar XJ | 19 MPG | Not rated | 3 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2011 Infiniti M37.
Check your VIN for open recalls at NHTSA ↗Not every 2011 Infiniti M37 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2011 Infiniti M37 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Power Train — 8 owner reports. Test-drive through all gears, including reverse; note slipping, harsh or delayed shifts.
- Vehicle Speed Control — 3 owner reports. Ask the seller and mechanic specifically about this system.
- Steering — 3 owner reports. Turn lock-to-lock while parked and on the road; listen for noises and feel for heavy or loose steering.
- Mileage to watch. Owners typically reported problems around 84,000 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2011 Infiniti M37. Not a substitute for a professional inspection.
Other M37 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →