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Infiniti Q45

(1989 model)

Brief specs of 1989 Infiniti Q45

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, 207.3 kW / 278.0 hp / 278.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 396.0 N·m / 292.1 lb·ft / 292.1 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, automatic 4-speed transmission, rear wheel drive, 246 km/h / 153 mph / 153 mph top speed

units: metric UK US

Basic (general) data

Marque (make)InfinitiIssued from1989
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)
Passenger space (volume)5250 l / 185.40 cu ft / 185.40 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length5075 mm / 199.8 in / 199.8 inTotal (curb) weight1750 kg / 3858 lb / 3858 lb
Width1826 mm / 71.9 in / 71.9 inDry weight
Height1430 mm / 56.3 in / 56.3 inLoad capacity
Wheelbase2880 mm / 113.4 in / 113.4 inGross (max.) weight
Track front1570 mm / 61.8 in / 61.8 inTowing weight
Track rear1570 mm / 61.8 in / 61.8 inWeight distribution (front)57.2 % / 57.2 % / 57.2 %
Ground clearanceFuel capacity72 l / 15.8 UK gal / 19.0 US gal
Length/wheelbase ratio1.76  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.29Frontal area (A)2.22 m2 / 23.9 sq ft / 23.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.64 m2 / 6.9 sq ft / 6.9 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)16.0 kW / 21.5 hp / 21.5 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (Inline, 8 cylinder)Total number of valves32
Engine ManufacturerNissan/DatsunValves per cylinder4
Engine constructionBore93.0 mm / 3.66 in / 3.66 in
Fuelpetrol (gasoline)Stroke82.7 mm / 3.26 in / 3.26 in
Fuel detailsBore/Stroke ratio1.12
Fuel supplyNi fuel inj.Engine 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 ratio10.2 : 1
SumpwetMax. output power207.3 kW / 278.0 hp / 278.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationnaturalMax. torque396.0 N·m / 292.1 lb·ft / 292.1 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)101.9 kW / 136.6 hp / 136.6 hp (est.)
CoolantwaterSpecific output46.1 kW/l / 1.014 bhp/cu in / 1.014 bhp/cu in
Catalytic converteryesSpecific torque88.1 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed246 km/h / 153 mph / 153 mph
Acceleration 0-60 mph (97 km/h)6.70 s / 6.70 s / 6.70 sPower-to-weight ratio158.9 kW/ton / 120.4 bhp/ton / 120.4 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)19.40 s / 19.40 s / 19.40 sFuel 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 alignment
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Multi-link, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Infiniti Q45

Infobox

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