Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010

Key specs

Infiniti M (Sedan) M IV (Y51) 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019

What is the body type, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

Sedan, 4 Doors, 5 Seats

What is the fuel economy, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

14.7 l/100 km 16 US mpg
10.2 l/100 km 23.06 US mpg

How much power, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

420 Hp @ 6000 rpm.
75.6 Hp/l

What is the engine size, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

5552 cm3
338.8 cu. in.

How many cylinders, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

8, V-engine

What is the drivetrain, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

All wheel drive (4x4),

How long is this vehicle, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

4945 mm
194.69 in.

How wide is the vehicle, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

1844 mm
72.6 in.

What is the curb weight, Infiniti M IV (Y51) M56 V8 (420 Hp) AWD Automatic 2010?

1916 kg
4224.06 lbs.

Infiniti M (Sedan) M IV (Y51) 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019 Specs

General information

Brand Infiniti
Model M (Sedan)
Version M IV (Y51)
Engine version M56 V8 (420 Hp) AWD Automatic
Year production start 2010
Year production end 2019
Vehicle type Sedan
Horsepower RPM 420 Hp @ 6000 rpm.
Curb weight kg -lbs total

1916 kg

4224.06 lbs.
Overall length mm - inch

4945 mm

194.69 in.
Doors 4

Engine specs

Designation model VK56VD
Cam configuration DOHC
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

5552 cm3

338.8 cu. in.
Eng. horsepower RPM 420 Hp @ 6000 rpm.
Horsepower per litre 75.6 Hp/l
Weight / horsepower kg/hp - hp/tons

4.6 kg/Hp

219.2 Hp/tonne
Weight / torque kg/Nm - Nm/tons 3.4 kg/Nm, 294.9 Nm/tonne

3.4 kg/Nm

294.9 Nm/tonne
Torque Nm RPM lb-ft RPM

565 Nm @ 4400 rpm.

416.72 lb.-ft. @ 4400 rpm.
Bore (mm in)

98 mm

3.86 in.
Stroke (mm in)

92 mm

3.62 in.
Compression ratio 11.5
Fuel delivery system Direct injection
Fuel type Petrol (Gasoline)
Valvetrain 4
Engine oil liters | quarts

6.4 l

6.76 US qt | 5.63 UK qt
Engine coolant

11.5 l

12.15 US qt | 10.12 UK qt
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration All wheel drive (4x4)

Brakes

Front brakes Ventilated discs, 320.04x27.94 mm
Rear brakes Ventilated discs, 307.34x15.24 mm
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

11.4 m

37.4 ft.

Suspension

Front suspension Double wishbone
Rear suspension Independent, spring multi-link with stabilizer

Body / Chassis

Wheels & Tyres

Wheels size 245/50 R18 V
Wheels rims 8.0J x 18

Exterior

Interior

Safety and Security

Passenger

Passengers seats 5
Trunk space min liter | cu. Ft.

422 l

14.9 cu. ft.

Dimensions

Overall length mm - inch

4945 mm

194.69 in.
Overall width mm -inch

1844 mm

72.6 in.
Overall height mm -inch

1514 mm

59.61 in.
Wheelbase mm - inch

2901 mm

114.21 in.
Track width front mm - inch

1575 mm

62.01 in.
Track width rear mm - inch

1565 mm

61.61 in.
Coefficient of drag 0.27

Weights

Curb weight kg -lbs total

1916 kg

4224.06 lbs.
Gross weight kg -lbs total

2395 kg

5280.07 lbs.
Capacities kg - lbs

479 kg

1056.01 lbs.
Fuel tank liters | gallons

76 l

20.08 US gal | 16.72 UK gal

Fuel economy

City l/100km - mpg

14.7 l/100 km

16 US mpg
Highway l/100 km - mpg

10.2 l/100 km

23.06 US mpg

Engine type

8 CYLINDER V-Engine
It's an engine with eight cylinder piston where the cylinders share a common crankshaft and are arranged in a V configuration.

What is the 8 cylinder V-engine displacement: it is in a range between 2926 cc and 8135 cc in recent model line up powertrain.

How much is the power of the 8 cylinder V-engine: the power of the 8 cylinder V-engine is in a range from 125 bhp to 1160 bhp.

Which cars use 8 cylinder V-engine: in recent years several manufactures have been used the V8 engine for 3 main applications: premium, sport cars and lightweight trucks. 8 V engine is the American preferred engine for iconic giant pick-up.

What is the eight cylinder V angle: the majority of V8 engines use a V-angle of 90 degrees. This angle results in good engine balance and low vibrations. The downside is a larger powertrain body that makes the use of this configuration suitable only for longitudinal position and rear drive wheels traction.

V8 engines with a 60 degree V-angle were used in the 1996-1999 by Ford and in 2005-2011 by Volvo. The Ford engine used a 60 degree V-angle because it was based on a V6 engine with a 60 degree V-angle. Both the Ford and Volvo engines were used in transverse engine chassis, which were designed for a front-wheel-drive layout. To reduce the vibrations caused by the unbalanced 60 degree V-angle, Volvo's used a balance shaft and offset split crankpins.

The Rolls-Royce Meteorite tank engine also used a 60 degree V-angle, since it was derived from the 60 degree V12 Rolls-Royce Meteor which in turn was based on the famous Rolls-Royce Merlin V12 engine.

Most V8 engines fitted to road cars use a cross-plane crankshaft, since this configuration produces less vibration due to the perfect primary balance and secondary balance.

The rumbling exhaust sound produced by a typical cross-plane V8 engine is partly due to the uneven firing order within each of the two banks of four cylinders and with separate exhaust systems for each bank of cylinders, this uneven pulsing creates the legendary rumbling sound that is typically of V8 engines.

edited by arrabbiata

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