Home › Car catalog › Infiniti › M › M IV (Y51) › M56 V8 (420 Hp) Automatic

InfinitiInfiniti M IV (Y51) M56 V8 (420 Hp) Automatic2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019: specs, Fuel consumption, Dimensions

2011 Infiniti M IV (Y51) - Photo 1
Infiniti M IV (Y51) - Photo 2Infiniti M IV (Y51) - Photo 3Infiniti M IV (Y51) - Photo 4Infiniti M IV (Y51) - Photo 5Infiniti M IV (Y51) - Photo 6Infiniti M IV (Y51) - Photo 7Infiniti M IV (Y51) - Photo 8Infiniti M IV (Y51) - Photo 9Infiniti M IV (Y51) - Photo 10

Key specs

Infiniti M IV (Y51) M56 V8 (420 Hp) Automatic /Sedan 2010 - 2019/
What is the body type of Infiniti M IV (Y51)?
Sedan, 4 Doors, 5 Seats
What is the power output of Infiniti M Sedan 2010 M56 V8 (420 Hp) Automatic?
420 Hp, 565 Nm
417 lb.-ft.
What is the engine displacement of Infiniti M Sedan 2010 M56 V8 (420 Hp) Automatic?
5.6 l
5552 cm3
338.8 cu. in.
What is the number of cylinders in 2010 Infiniti M56 V8 (420 Hp) Automatic?
8, V-engine
What is the drivetrain of Infiniti M IV (Y51) Sedan 2010 M56 V8 (420 Hp) Automatic?
Rear wheel drive. ICE. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
What is the length of 2010 Infiniti M Sedan?
4945 mm
194.69 in.
What is the width of 2010 Infiniti M Sedan?
1844 mm
72.6 in.
What is the kerb weight of 2010 Infiniti M IV (Y51) M56 V8 (420 Hp) Automatic?
1827 kg
4028 lbs.
What is the maximum permissible mass of 2010 Infiniti M IV (Y51) M56 V8 (420 Hp) Automatic?
2333 kg
5143 lbs.
What is the trunk (boot) capacity of 2010 Infiniti M Sedan?
422 l
14.9 cu. ft.
What are the number of gears and the gearbox type of 2010 Infiniti M IV (Y51) M56 V8 (420 Hp) Automatic?
7, automatic transmission

General information

Model
Generation
Modification (Engine)
M56 V8 (420 Hp) Automatic
Start of production
2010
End of production
2019
Powertrain Architecture
Internal Combustion engine
Body type
Sedan
Seats
5
Doors
4
Looking for Infiniti M on the used-car market?
Check its history →

Performance specs

Fuel consumption (economy) - urban
14.7 l/100 km 16 US mpg
19.2 UK mpg
6.8 km/l
Fuel consumption (economy) - extra urban
9.4 l/100 km 25 US mpg
30.1 UK mpg
10.6 km/l
Fuel Type
Petrol (Gasoline)
Weight-to-power ratio
4.4 kg/Hp, 229.9 Hp/tonne
Weight-to-torque ratio
3.2 kg/Nm, 309.3 Nm/tonne

Engine specs

Power
420 Hp @ 6000 rpm.
Power per litre
75.6 Hp/l
Torque
565 Nm @ 4400 rpm. 417 lb.-ft. @ 4400 rpm.
Maximum engine speed
6700 rpm.
Engine layout
Front, Longitudinal
Engine Model/Code
VK56VD
Engine displacement
5552 cm3 338.8 cu. in.
Number of cylinders
8
Engine configuration
V-engine
Cylinder Bore
98 mm 3.86 in.
Piston Stroke
92 mm 3.62 in.
Compression ratio
11.5:1
Number of valves per cylinder
4
Fuel injection system
Direct injection
Valvetrain
DOHC
Engine oil capacity
6 l 6.34 US qt | 5.28 UK qt
Engine oil specification
Coolant
10.9 l 11.52 US qt | 9.59 UK qt

Volume and weights

Kerb Weight
1827 kg 4028 lbs.
Max. weight
2333 kg 5143 lbs.
Max load
506 kg 1116 lbs.
Trunk (boot) space - minimum
422 l 14.9 cu. ft.
Fuel tank capacity
76 l 20.08 US gal | 16.72 UK gal

Dimensions

Length
4945 mm 194.69 in.
Width
1844 mm 72.6 in.
Height
1501 mm 59.09 in.
Wheelbase
2901 mm 114.21 in.
Front track
1575 mm 62.01 in.
Rear (Back) track
1570 mm 61.81 in.
Ride height (ground clearance)
150 mm 5.91 in.
Drag coefficient (Cd)
0.27
Minimum turning circle (turning diameter)
11.2 m 36.75 ft.

Drivetrain, brakes and suspension specs

Drivetrain Architecture
The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel
Rear wheel drive
Number of gears and type of gearbox
7 gears, automatic transmission
Front suspension
Double wishbone
Rear suspension
Independent multi-link spring suspension with anti-roll bar
Front brakes
Ventilated discs, 320.04x27.94 mm
Rear brakes
Ventilated discs, 307.34x15.24 mm
Assisting systems
ABS (Anti-lock braking system)
Steering type
Steering rack and pinion
Power steering
Electric Steering
Tire size
245/50 R18 V; 245/40 R20 W
Wheel rim size
8.0J x 18; 9.0J x 20