2012 · Midsize Car · Gas

2012 Infiniti M56 MPG & fuel economy

The 2012 Infiniti M56 is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 19 MPG combined (16 city / 24 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 19 MPG. Efficiency is unchanged from the 2011 model. Among 50 midsize cars rated for 2012, it ranks 47th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel.

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Combined 19 MPG 16 MPG city · 24 MPG hwy

Driving range — not published for this model

Your fuel cost $3,118 15,000 mi/yr · $20.79 per 100 mi

Class rank, 2012 #47 of 50 Midsize Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2012 Infiniti M56's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.2 km/L on the highway.

	MPG	km/L	L/100 km
City	16	6.8	14.7
Highway	24	10.2	9.8
Combined	19	8.1	12.4

How it ranks among 2012 Midsize Cars

Full class ranking →

1Toyota Prius Plug-in Hybrid95 MPGe + 50 MPG $888
2Nissan Leaf99 MPGe $918
3Toyota Prius48 MPG $969
4Toyota Camry Hybrid40 MPG $1,162
5Ford Fusion Hybrid38 MPG $1,224
···
47Infiniti M5619 MPG $3,118
···
50Ferrari FF13 MPG $4,558

2012 M56Other midsize carsClass median: $1,980/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

M56 MPG across model years

Full history →

2 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 5.6L 8-cyl · 7-speed automatic M56	Gas	16 MPG	24 MPG	19 MPG	—	$3,118
AWD · 5.6L 8-cyl · 7-speed automatic M56x	Gas	16 MPG	23 MPG	18 MPG	—	$3,292

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 5.6L 8-cyl
Transmission: 7-speed automatic
Drivetrain: RWD
Passenger volume: 104 cu ft
Cargo volume: 15 cu ft
Tailpipe CO₂: 468 g/mi

2012 Infiniti M56 vs. rivals

vs Lexus LS 19 MPG · $3,118/yr Same fuel cost vs BMW 7 Series Hybrid 20 MPG · $2,962/yr 7 Series Hybrid saves $156/yr vs Lexus LS Hybrid 20 MPG · $2,962/yr LS Hybrid saves $156/yr vs Acura RL 20 MPG · $2,962/yr RL saves $156/yr vs Jaguar XF 19 MPG · $3,118/yr Same fuel cost vs Acura TL 23 MPG · $2,576/yr TL saves $542/yr vs Bentley Continental Flying Spur 14 MPG · $4,232/yr M56 saves $1,114/yr vs Bentley Mulsanne 13 MPG · $4,558/yr M56 saves $1,439/yr

Compare the 2012 M56

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Frequently asked questions

What is the gas mileage of the 2012 Infiniti M56?

Up to 19 MPG combined (16 city / 24 highway); ratings range from 18 to 19 MPG depending on configuration.

What fuel does the 2012 Infiniti M56 use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2012 Infiniti M56?