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Infiniti M45x

(2007 model)

Brief specs of 2007 Infiniti M45x

4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4494 cm3 / 274.2 cu in / 274.2 cu in, 242.4 kW / 325.1 hp / 325.1 hp @ 6400 rpm / 6400 rpm / 6400 rpm, 455.0 N·m / 335.6 lb·ft / 335.6 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, automatic 5-speed transmission, all wheel drive

units: metric UK US

Basic (general) data

Marque (make)InfinitiIssued from2007
ModelM45xIssued until
SerieM45Number made
Model familyBody construction
Model codeBody designation
ManufacturerInfinitiCountryJP

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4892 mm / 192.6 in / 192.6 inTotal (curb) weight
Width1798 mm / 70.8 in / 70.8 inDry weight
Height1524 mm / 60.0 in / 60.0 inLoad capacity
Wheelbase2901 mm / 114.2 in / 114.2 inGross (max.) weight
Track front1534 mm / 60.4 in / 60.4 inTowing weight
Track rear1534 mm / 60.4 in / 60.4 inWeight distribution (front)
Ground clearance130 mm / 5.1 in / 5.1 inFuel capacity76 l / 16.7 UK gal / 20.0 US gal
Length/wheelbase ratio1.69  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.28Frontal area (A)2.33 m2 / 25.1 sq ft / 25.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.65 m2 / 7.0 sq ft / 7.0 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)16.2 kW / 21.7 hp / 21.7 hp (est.)

Engine

Engine CodeVK45Total number of cylinders8
Engine TypeV engine Total number of valves32
Engine ManufacturerNissanValves per cylinder4
Engine constructionaluminium alloy block & headBore93.0 mm / 3.66 in / 3.66 in
Fuelpetrol (gasoline)Stroke82.7 mm / 3.26 in / 3.26 in
Fuel detailsBore/Stroke ratio1.12
Fuel supplyEFiEngine displacement4494 cm3 / 274.2 cu in / 274.2 cu in
Engine Main bearingsUnitary capacity561.75 cm3/cylinder / 34.280 cu in/cylinder / 34.280 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.5 : 1
SumpMax. output power242.4 kW / 325.1 hp / 325.1 hp at 6400 rpm / 6400 rpm / 6400 rpm
AspirationnaturalMax. torque455.0 N·m / 335.6 lb·ft / 335.6 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm6600 rpm / 6600 rpm / 6600 rpm
IntercoolernoMax. net output (power at the wheels)97.0 kW / 130.0 hp / 130.0 hp (est.)
CoolantwaterSpecific output53.9 kW/l / 1.185 bhp/cu in / 1.185 bhp/cu in
Catalytic converteryesSpecific torque101.2 N·m/l / 0.89 lb·ft/cu in / 0.89 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears5
Wheel driveall wheel driveTop gear (drive) ratio0.83
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrack & pinion PASSteering details
Turns lock-to-lock3Turning circle
Suspension frontIndependent, Double wishbones, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Multi-link, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front8.0JJ x 18Wheels rear8.0JJ x 18
Tyres front245/45 R 18 96VTyres rear245/45 R 18 96V
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front320 mm / 12.6 in / 12.6 inBrake diameter rear307 mm / 12.1 in / 12.1 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Infiniti M45x

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