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Infiniti Q45

(2005 model)

Brief specs of 2005 Infiniti Q45

4-door 5-seater sedan (saloon), 8-cylinder 32-valve V engine, 4490 cm3 / 274.0 cu in / 274.0 cu in, 254.0 kW / 340.6 hp / 340.6 hp, 453.0 N·m / 334.1 lb·ft / 334.1 lb·ft, rear wheel drive, consumption 11.8 l/100km / 23.9 mpg-UK / 19.9 mpg-US

units: metric UK US

Basic (general) data

Marque (make)InfinitiIssued from2005
ModelQ45Issued until
SerieQ45Number made
Model familyBody construction
Model codeBody designation
ManufacturerInfinitiCountryJP

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)388 l / 13.70 cu ft / 13.70 cu ft
Passenger space (volume)2888 l / 101.99 cu ft / 101.99 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length5080 mm / 200.0 in / 200.0 inTotal (curb) weight1837 kg / 4050 lb / 4050 lb
Width1850 mm / 72.8 in / 72.8 inDry weight
Height1500 mm / 59.1 in / 59.1 inLoad capacity
Wheelbase2880 mm / 113.4 in / 113.4 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance150 mm / 5.9 in / 5.9 inFuel capacity81 l / 17.8 UK gal / 21.4 US gal
Length/wheelbase ratio1.76  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.36 m2 / 25.4 sq ft / 25.4 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (V8)Total number of valves32
Engine ManufacturerValves per cylinder4
Engine constructionBore93.0 mm / 3.66 in / 3.66 in
FuelStroke83.0 mm / 3.27 in / 3.27 in
Fuel detailsBore/Stroke ratio1.12
Fuel supplyInjectionEngine displacement4490 cm3 / 274.0 cu in / 274.0 cu in
Engine Main bearingsUnitary capacity563.81 cm3/cylinder / 34.406 cu in/cylinder / 34.406 cu in/cylinder
Cam DesignCompression ratio10.5 : 1
SumpMax. output power254.0 kW / 340.6 hp / 340.6 hp at
AspirationMax. torque453.0 N·m / 334.1 lb·ft / 334.1 lb·ft at
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)101.6 kW / 136.2 hp / 136.2 hp (est.)
CoolantSpecific output56.6 kW/l / 1.243 bhp/cu in / 1.243 bhp/cu in
Catalytic converterSpecific torque100.9 N·m/l / 0.88 lb·ft/cu in / 0.88 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio
  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 ratio187.8 kW/ton / 142.3 bhp/ton / 142.3 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)13.8 l/100km / 20.5 mpg-UK / 17.0 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)9.4 l/100km / 30.1 mpg-UK / 25.0 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)11.8 l/100km / 23.9 mpg-UK / 19.9 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range686 km / 427 mi / 427 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontIndependentSuspension rearIndependent
Wheels frontWheels rear
Tyres front225/55-R17Tyres rear225/55-R17
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of Infiniti Q45

Infobox

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