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Porsche 931

(1981 model)

Brief specs of 1981 Porsche 931

2-door 4-seater coupé, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, SOHC (single overhead camshaft), 1984 cm3 / 121.1 cu in / 121.1 cu in, 130.0 kW / 174.3 hp / 174.3 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 250.0 N·m / 184.4 lb·ft / 184.4 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, manual 5-speed transmission, rear wheel drive, 229 km/h / 142 mph / 142 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1981
Model931Issued until1984
Serie931Number made
Model familyBody constructionmonocoque
Model codeBody designation924
ManufacturerPorscheCountryDE

Bodywork

Base platform924Number of doors2
Bodywork typecoupéNumber of seats4
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4210 mm / 165.7 in / 165.7 inTotal (curb) weight
Width1656 mm / 65.2 in / 65.2 inDry weight
Height1260 mm / 49.6 in / 49.6 inLoad capacity
Wheelbase2400 mm / 94.5 in / 94.5 inGross (max.) weight
Track front1420 mm / 55.9 in / 55.9 inTowing weight
Track rear1390 mm / 54.7 in / 54.7 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.7541666666667  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.77 m2 / 19.1 sq ft / 19.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeM31/03Total number of cylinders4
Engine Typestraight (inline) Total number of valves8
Engine ManufacturerValves per cylinder2
Engine constructionBore86.5 mm / 3.41 in / 3.41 in
Fuelpetrol (gasoline)Stroke84.4 mm / 3.32 in / 3.32 in
Fuel detailsBore/Stroke ratio1.0248815165877
Fuel supplyBosch K-JetronicEngine displacement1984 cm3 / 121.1 cu in / 121.1 cu in
Engine Main bearingsUnitary capacity495.98 cm3/cylinder / 30.267 cu in/cylinder / 30.267 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio7.5 : 1
SumpMax. output power130.0 kW / 174.3 hp / 174.3 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationturbochargedMax. torque250.0 N·m / 184.4 lb·ft / 184.4 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)52.0 kW / 69.7 hp / 69.7 hp (est.)
CoolantSpecific output65.5 kW/l / 1.440 bhp/cu in / 1.440 bhp/cu in
Catalytic converterSpecific torque126.0 N·m/l / 1.10 lb·ft/cu in / 1.10 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed229 km/h / 142 mph / 142 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/h7.70 s / 7.70 s / 7.70 sFuel 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
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front185/70 VR15Tyres rear185/70 VR15
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Porsche 931

Infobox

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