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Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)

Neoscore 87%

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Photo 0of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)Photo 1of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)Photo 2of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)Photo 3of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)Photo 4of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)Photo 5of Infiniti Q70 / M-Series IV / Nissan Cima / Fuga (Y51) Sedan (2010-2019)

Product Overview

Infiniti M-Series Mark IV (chassis code Y51) is an executive sedan in production from 2010 to 2019. It was renamed Q70 in 2013 from the 2014 model year. In Japan, the vehicle was sold as Nissan Fuga for the SWB model and Cima for the LWB one. The Gen4 M-Series was available with a range of V6 and V8 engines that displaced 2.5 to 5.6 liters.
With this generation, Infiniti greatly improved the vehicle's styling. Combined with a compelling range of engine options, this executive sedan was highly competitive compared to the contemporary L10 Lexus GS, arguably slotting between the GS and the LS.
Notably, the VK56VD 5.6L naturally-aspirated engine found in the M56 was one of the last large-displacement NA V8s available from non-American automakers.
The M37 and M56 models were also available in AWD guise, though Infiniti made sure that RWD remains the standard.
Infiniti has made a good effort in aerodynamics, with a decent 0.26 coefficient of drag to show for it.
Drivers who appreciate handling will be pleased to know that the Q70 / M-Series Mark IV comes with double-wishbone at the front and multi-link at the rear. Combined with RWD, this setup provides one of the best handling characteristics and tuning capabilities.

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Ratings

What we found**

Neoscore: 87% (not directly comparable across industries)
Pros
  • Powerful and reliable NA V6 and V8 engines
  • Fantastic styling
  • Good 0.26 drag coefficient
  • Double-wishbone + multi-link suspension setup
  • RWD as standard (though lots of AWD nonsense was sold)
Cons
  • Getting dirty with diesel and hybrid
  • Series discontinued

Find Related Products (incl. referral links)*

Specifications

Variants:
M30d
M35h
M37
M37x
M56
M56x

Capacity

M30dCargo Capacity
450 L / 15.9 cu-ft
M35hCargo Capacity
320 L / 11.3 cu-ft
M37Cargo Capacity
422 L / 14.9 cu-ft
M37xCargo Capacity
422 L / 14.9 cu-ft
M56Cargo Capacity
422 L / 14.9 cu-ft
M56xCargo Capacity
422 L / 14.9 cu-ft
M30dCoolant Capacity
8.6 L / 9.1 qt
M35hCoolant Capacity
8.6 L / 9.1 qt
M37Coolant Capacity
8.9 L / 9.4 qt
M37xCoolant Capacity
8.9 L / 9.4 qt
M56Coolant Capacity
11.5 L / 12.2 qt
M56xCoolant Capacity
11.5 L / 12.2 qt
M30dEngine Oil Capacity
5.3 L / 5.6 qt
M35hEngine Oil Capacity
5.2 L / 5.5 qt
M37Engine Oil Capacity
5.2 L / 5.5 qt
M37xEngine Oil Capacity
5.2 L / 5.5 qt
M56Engine Oil Capacity
6.4 L / 6.8 qt
M56xEngine Oil Capacity
6.4 L / 6.8 qt
M30dFuel Capacity
80.0 L / 21.1 gal
M35hFuel Capacity
67.0 L / 17.7 gal
M37Fuel Capacity
76.0 L / 20.1 gal
M37xFuel Capacity
76.0 L / 20.1 gal
M56Fuel Capacity
76.0 L / 20.1 gal
M56xFuel Capacity
76.0 L / 20.1 gal
Passengers
5
M30dPayload
550 kg / 1213 lbs
M35hPayload
514 kg / 1133 lbs
M37Payload
521 kg / 1149 lbs
M37xPayload
487 kg / 1074 lbs
M56Payload
506 kg / 1116 lbs
M56xPayload
479 kg / 1056 lbs

Chassis

M30dBrakes | Front
Ventilated discs, 355 mm
M35hBrakes | Front
Ventilated discs, 320.04x27.94 mm
M37Brakes | Front
Ventilated discs, 320.04x27.94 mm
M37xBrakes | Front
Ventilated discs, 320.04x27.94 mm
M56Brakes | Front
Ventilated discs, 320.04x27.94 mm
M56xBrakes | Front
Ventilated discs, 320.04x27.94 mm
M30dBrakes | Rear
Ventilated discs, 350 mm
M35hBrakes | Rear
Ventilated discs, 307.34x15.24 mm
M37Brakes | Rear
Ventilated discs, 307.34x15.24 mm
M37xBrakes | Rear
Ventilated discs, 307.34x15.24 mm
M56Brakes | Rear
Ventilated discs, 307.34x15.24 mm
M56xBrakes | Rear
Ventilated discs, 307.34x15.24 mm
Power Steering
Electric Steering
Suspension | Front
Double-wishbone
Suspension | Rear
Multi-link
M30dTire Size
245/50 R18
M35hTire Size
245/50 R18 V
M37Tire Size
245/50 R18 V, 245/40 R20 W
M37xTire Size
245/50 R18 V
M56Tire Size
245/50 R18 V, 245/40 R20 W
M56xTire Size
245/50 R18 V
M30dTurning Circle
11.2 m / 36.7 ft
M35hTurning Circle
11.2 m / 36.7 ft
M37Turning Circle
11.2 m / 36.7 ft
M37xTurning Circle
11.4 m / 37.4 ft
M56Turning Circle
11.2 m / 36.7 ft
M56xTurning Circle
11.4 m / 37.4 ft

Construction

Battery | Type
Lithium-ion
Battery | Voltage
346.0 V
M30dBody Style
4-door Sedan
M35hBody Style
4-door hybrid Sedan
M37Body Style
4-door Sedan
M37xBody Style
4-door Sedan
M56Body Style
4-door Sedan
M56xBody Style
4-door Sedan

Dimensions

M30dGround Clearance
144 mm / 5.7 in
M35hGround Clearance
152 mm / 6.0 in
M37Ground Clearance
150 mm / 5.9 in
M37xGround Clearance
147 mm / 5.8 in
M56Ground Clearance
150 mm / 5.9 in
M56xGround Clearance
145 mm / 5.7 in
M30dSize | Height
1500 mm / 59.1 in
M35hSize | Height
1501 mm / 59.1 in
M37Size | Height
1501 mm / 59.1 in
M37xSize | Height
1514 mm / 59.6 in
M56Size | Height
1501 mm / 59.1 in
M56xSize | Height
1514 mm / 59.6 in
Size | Length
4945 mm / 194.7 in
M30dSize | Width
1845 mm / 72.6 in
M35hSize | Width
1844 mm / 72.6 in
M37Size | Width
1844 mm / 72.6 in
M37xSize | Width
1844 mm / 72.6 in
M56Size | Width
1844 mm / 72.6 in
M56xSize | Width
1844 mm / 72.6 in
Track Width | Front
1575.0 mm / 62.0 in
M30dTrack Width | Rear
1570.0 mm / 61.8 in
M35hTrack Width | Rear
1570.0 mm / 61.8 in
M37Track Width | Rear
1570.0 mm / 61.8 in
M37xTrack Width | Rear
1565.0 mm / 61.6 in
M56Track Width | Rear
1570.0 mm / 61.8 in
M56xTrack Width | Rear
1565.0 mm / 61.6 in
M30dWeight
1845.0 kg / 4067.5 lbs
M35hWeight
1876.0 kg / 4135.9 lbs
M37Weight
1750.0 kg / 3858.1 lbs
M37xWeight
1843.0 kg / 4063.1 lbs
M56Weight
1827.0 kg / 4027.8 lbs
M56xWeight
1916.0 kg / 4224.1 lbs
M30dWheel Size
18 in
M35hWheel Size
8.0J x 18
M37Wheel Size
8.0J x 18, 9.0J x 20
M37xWheel Size
8.0J x 18
M56Wheel Size
8.0J x 18, 9.0J x 20
M56xWheel Size
8.0J x 18
Wheelbase
2900 mm / 114.2 in

Performance

Acceleration | 0 - 100 km/h
6.9 sec
Acceleration | 0 - 60 mph
6.6 sec
M30dCoefficient Of Drag
0.26
M35hCoefficient Of Drag
0.26
M37Coefficient Of Drag
0.27
M37xCoefficient Of Drag
0.27
M56Coefficient Of Drag
0.27
M56xCoefficient Of Drag
0.27
M30dFuel Economy
7.5 L/100km / 31.4 MPG (combined) | 10.3 L/100km / 22.8 MPG (urban) | 5.9 L/100km / 39.9 MPG (highway)
M35hFuel Economy
8.1 L/100km / 29.0 MPG (combined) | 8.7 L/100km / 27.0 MPG (urban) | 7.4 L/100km / 31.8 MPG (highway)
M37Fuel Economy
13.1 L/100km / 18.0 MPG (urban) | 9.0 L/100km / 26.1 MPG (highway)
M37xFuel Economy
13.8 L/100km / 17.0 MPG (urban) | 9.8 L/100km / 24.0 MPG (highway)
M56Fuel Economy
14.7 L/100km / 16.0 MPG (urban) | 9.4 L/100km / 25.0 MPG (highway)
M56xFuel Economy
14.7 L/100km / 16.0 MPG (urban) | 10.2 L/100km / 23.1 MPG (highway)
Top Speed
249.0 km/h / 154.7 mph
Towing Capacity
2000 kg / 4409 lbs (w/ brakes @ 12% gradient)

Powertrain

M30dDrivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
M35hDrivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
M37Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
M37xDrivetrain Layout
Front-engine (longitudinal), All-wheel drive
M56Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
M56xDrivetrain Layout
Front-engine (longitudinal), All-wheel drive
M30dEmission Standard
Euro 5
M35hEmission Standard
Tier 2. Bin 5. LEV2 U-LEV
M30dEngine
V9X
M35hEngine
VQ35HR
M37Engine
VQ37VHR
M37xEngine
VQ37VHR
M56Engine
VK56VD
M56xEngine
VK56VD
M30dEngine | Bore
95.5 mm / 3.8 in
M35hEngine | Bore
95.5 mm / 3.8 in
M37Engine | Bore
95.5 mm / 3.8 in
M37xEngine | Bore
95.5 mm / 3.8 in
M56Engine | Bore
98.0 mm / 3.9 in
M56xEngine | Bore
98.0 mm / 3.9 in
M30dEngine | Compression Ratio
10.6:1
M35hEngine | Compression Ratio
10.6:1
M37Engine | Compression Ratio
11.0:1
M37xEngine | Compression Ratio
11.0:1
M56Engine | Compression Ratio
11.5:1
M56xEngine | Compression Ratio
11.5:1
M30dEngine | Displacement
3.0 L / 182.6 cu-in / 2993.0 cc
M35hEngine | Displacement
3.5 L / 213.5 cu-in / 3498.0 cc
M37Engine | Displacement
3.7 L / 225.5 cu-in / 3696.0 cc
M37xEngine | Displacement
3.7 L / 225.5 cu-in / 3696.0 cc
M56Engine | Displacement
5.6 L / 338.8 cu-in / 5552.0 cc
M56xEngine | Displacement
5.6 L / 338.8 cu-in / 5552.0 cc
M30dEngine | Power
238.0 hp / 177.5 kW @ 3750 rpm
M35hEngine | Power
302.0 hp / 225.2 kW @ 6800 rpm + 67.0 hp / 50.0 kW @ 1770 rpm (electric motor)
M37Engine | Power
330.0 hp / 246.1 kW @ 7000 rpm
M37xEngine | Power
330.0 hp / 246.1 kW @ 7000 rpm
M56Engine | Power
420.0 hp / 313.2 kW @ 6000 rpm
M56xEngine | Power
420.0 hp / 313.2 kW @ 6000 rpm
M30dEngine | Redline
7500 rpm
M35hEngine | Redline
7500 rpm
M37Engine | Redline
7500 rpm
M37xEngine | Redline
7500 rpm
M56Engine | Redline
6700 rpm
M56xEngine | Redline
6700 rpm
M30dEngine | Specific Output
79.5 hp/L / 1.3 hp/cu-in
M35hEngine | Specific Output
86.3 hp/L / 1.4 hp/cu-in
M37Engine | Specific Output
89.3 hp/L / 1.5 hp/cu-in
M37xEngine | Specific Output
89.3 hp/L / 1.5 hp/cu-in
M56Engine | Specific Output
75.6 hp/L / 1.2 hp/cu-in
M56xEngine | Specific Output
75.6 hp/L / 1.2 hp/cu-in
M30dEngine | Stroke
81.4 mm / 3.2 in
M35hEngine | Stroke
81.4 mm / 3.2 in
M37Engine | Stroke
86.0 mm / 3.4 in
M37xEngine | Stroke
86.0 mm / 3.4 in
M56Engine | Stroke
92.0 mm / 3.6 in
M56xEngine | Stroke
92.0 mm / 3.6 in
M30dEngine | Torque
550 Nm / 405.7 lb-ft @ 1750-2500 rpm
M35hEngine | Torque
350 Nm / 258.1 lb-ft @ 5000 rpm + 270 Nm / 199.1 lb-ft @ 1770 rpm
M37Engine | Torque
366 Nm / 269.9 lb-ft @ 5200 rpm
M37xEngine | Torque
366 Nm / 269.9 lb-ft @ 5200 rpm
M56Engine | Torque
565 Nm / 416.7 lb-ft @ 4400 rpm
M56xEngine | Torque
565 Nm / 416.7 lb-ft @ 4400 rpm
M30dEngine | Type
Turbocharged commonrail diesel V6 DOHC engine with 4 values per cylinder
M35hEngine | Type
multi-port injected petrol V6 DOHC engine with 4 values per cylinder
M37Engine | Type
multi-port injected petrol V6 DOHC engine with 4 values per cylinder
M37xEngine | Type
multi-port injected petrol V6 DOHC engine with 4 values per cylinder
M56Engine | Type
direct-injected petrol V8 DOHC engine with 4 values per cylinder
M56xEngine | Type
direct-injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
7-speed
Transmission | Type
DCT

Production

M30dAvailability
2010 ~ 2014
M35hAvailability
2011 ~ 2019
M37Availability
2010 ~ 2019
M37xAvailability
2010 ~ 2019
M56Availability
2010 ~ 2019
M56xAvailability
2010 ~ 2019

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