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Porsche 928

(1987 model)

Brief specs of 1987 Porsche 928

2-door 4-seater convertible (cabriolet), petrol (gasoline) 8-cylinder straight (inline) engine, 4663 cm3 / 284.6 cu in / 284.6 cu in, 228.0 kW / 305.8 hp / 305.8 hp @ 5900 rpm / 5900 rpm / 5900 rpm, 408.0 N·m / 300.9 lb·ft / 300.9 lb·ft @ 4100 rpm / 4100 rpm / 4100 rpm

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1987
Model928Issued until
Serie928Number made
Model familyBody construction
Model codeBody designation
ManufacturerPorscheCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats4
Bodywork designerCargo capacity (volume)
Passenger space (volume)4580 l / 161.74 cu ft / 161.74 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4450 mm / 175.2 in / 175.2 inTotal (curb) weight1530 kg / 3373 lb / 3373 lb
Width1840 mm / 72.4 in / 72.4 inDry weight
Height1290 mm / 50.8 in / 50.8 inLoad capacity
Wheelbase2510 mm / 98.8 in / 98.8 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity76 l / 16.7 UK gal / 20.1 US gal
Length/wheelbase ratio1.77  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.3Frontal area (A)2.02 m2 / 21.7 sq ft / 21.7 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.61 m2 / 6.5 sq ft / 6.5 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)15.0 kW / 20.2 hp / 20.2 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine Typestraight (inline) (Inline, 8 cylinder)Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore97.0 mm / 3.82 in / 3.82 in
Fuelpetrol (gasoline)Stroke78.9 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.23
Fuel supplyInjectionEngine displacement4663 cm3 / 284.6 cu in / 284.6 cu in
Engine Main bearingsUnitary capacity583.06 cm3/cylinder / 35.581 cu in/cylinder / 35.581 cu in/cylinder
Cam DesignCompression ratio
SumpMax. output power228.0 kW / 305.8 hp / 305.8 hp at 5900 rpm / 5900 rpm / 5900 rpm
AspirationMax. torque408.0 N·m / 300.9 lb·ft / 300.9 lb·ft at 4100 rpm / 4100 rpm / 4100 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)91.2 kW / 122.3 hp / 122.3 hp (est.)
CoolantSpecific output48.9 kW/l / 1.075 bhp/cu in / 1.075 bhp/cu in
Catalytic converterSpecific torque87.5 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Transmission

Transmission typeNumber of gears
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 ratio202.6 kW/ton / 153.5 bhp/ton / 153.5 bhp/ton
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
SteeringSteering details
Turns lock-to-lockTurning circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front210/60-R15Tyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Porsche 928

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