DecodedCars2012 Infiniti M37
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2012 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
- Below-average fuel economyBest version gets 21 MPG combined, 12% below the 2012 midsize car average of 23.9 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 26 similar 2012 models — not a review. How we calculate this →
Overview
The 2012 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), 12% worse than the 2012 midsize car average of 23.9 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 27 complaints with NHTSA since 2015, most often about the steering.
What changed for 2012
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2011 M37 — a carry-over year in the data.
Compared with 2011; trim, feature and price changes aren't covered. See the 2011 M37 →
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 | -12% | $3,900 | 423 |
| M37x | 3.7L 6-cyl | Automatic (S7) | All-Wheel Drive | 18 / 24 / 20 | -16% | $4,100 | 444 |
EPA estimates; "vs. class" is combined MPG against the 2012 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2012 Infiniti M37.
Similar 2012 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2012 Infiniti M37 (this car) | 21 MPG | Not rated | 0 |
| 2012 BMW 5 Series | 27 MPG | Not rated | 0 |
| 2012 Mercedes-Benz E-Class | 23 MPG | Not rated | 0 |
| 2012 Audi A4 | 25 MPG | Not rated | 0 |
| 2012 Audi A6 | 28 MPG | Not rated | 8 |
| 2012 Lexus LS | 20 MPG | Not rated | 0 |
| 2012 Jaguar XJ | 19 MPG | Not rated | 0 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2012 Infiniti M37.
Check your VIN for open recalls at NHTSA ↗Not every 2012 Infiniti M37 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2012 Infiniti M37 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Steering — 10 owner reports. Turn lock-to-lock while parked and on the road; listen for noises and feel for heavy or loose steering.
- Air Bags — 8 owner reports. Confirm the airbag warning light turns off after start-up and any airbag recall was completed.
- Electrical System — 4 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Mileage to watch. Owners typically reported problems around 65,000 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 2012 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 →