Infiniti
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Overview
- Body
- Midsize CarsEPA, from EPA, last updated 6/11/2026
- Drivetrain
- Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026
- Transmission
- Automatic (S7)EPA, from EPA, last updated 6/11/2026
- Powertrain
- GasEPA, from EPA, last updated 6/11/2026
- Fuel
- PremiumEPA, from EPA, last updated 6/11/2026
Engine & performance
- Cyl
- 8EPA, from EPA, last updated 6/11/2026
- Aspiration
- Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Efficiency
- MPG Hwy
- 25 mpgEPA, from EPA, last updated 6/11/2026
- MPG City
- 16 mpgEPA, from EPA, last updated 6/11/2026
- MPG Comb
- 19 mpgEPA, from EPA, last updated 6/11/2026
- Fuel $/yr
- $4,050EPA, from EPA, last updated 6/11/2026
- Smog score
- 5/10
- Elec. Range
- 0 miEPA, from EPA, last updated 6/11/2026
- Real-world MPG
- 20.4 mpg, reported by 1 driverabout 1.4 mpg above the EPA combined estimate
- SmartWay certified
- No
Dimensions & capacity
- Length
- 195 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
- Width
- 73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
- Height
- 59 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
- Wheelbase
- 114 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
- Curb Weight
- 4,028 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
- Pass. Vol
- 104 ft³EPA, from EPA, last updated 6/11/2026
- Cargo Vol
- 15 ft³EPA, from EPA, last updated 6/11/2026
Safety NHTSA, model year
- Overall crash rating
- ★★★★★
- Rollover rating
- ★★★★★
- Stability control (ESC)
- Standard
- Forward-collision warning
- Optional
- Lane-departure warning
- Optional
- Recalls
- 2
- Owner complaints
- 18
- Theft rate
- 1.1 per 1,000 produced (CY 2011 federal data)
Feature availability
Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.
Standard
Reported problems NHTSA owner complaints, model year
- POWER TRAIN31%
- ENGINE15%
- AIR BAGS12%
- ELECTRICAL SYSTEM12%
- STEERING8%
- ELECTRONIC STABILITY CONTROL (ESC)4%
Source: NHTSA owner complaints, 26 total.
Infiniti M56: best and worst yearsWarranty manufacturer terms, by make
- Basic
- 4 yr / 60k mi
- Powertrain
- 6 yr / 70k mi
- Roadside assistance
- 4 yr
- Maintenance
- 3 yr
Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.