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Porsche 928 Automatic

(1977 model)

Brief specs of 1977 Porsche 928 Automatic

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, SOHC (single overhead camshaft), 4474 cm3 / 273.0 cu in / 273.0 cu in, 176.7 kW / 237.0 hp / 237.0 hp @ 5250 rpm / 5250 rpm / 5250 rpm, 363.0 N·m / 267.7 lb·ft / 267.7 lb·ft @ 3600 rpm / 3600 rpm / 3600 rpm, automatic 3-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1977
Model928 AutomaticIssued until
Serie928Number made
Model familyBody construction
Model codeBody designation
ManufacturerPorscheCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)4030 l / 142.32 cu ft / 142.32 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4448 mm / 175.1 in / 175.1 inTotal (curb) weight1450 kg / 3197 lb / 3197 lb
Width1836 mm / 72.3 in / 72.3 inDry weight
Height1313 mm / 51.7 in / 51.7 inLoad capacity
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight
Track front1552 mm / 61.1 in / 61.1 inTowing weight
Track rear1529 mm / 60.2 in / 60.2 inWeight distribution (front)
Ground clearanceFuel capacity86 l / 18.9 UK gal / 22.7 US gal
Length/wheelbase ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.38Frontal area (A)2.05 m2 / 22.1 sq ft / 22.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.78 m2 / 8.4 sq ft / 8.4 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)19.4 kW / 25.9 hp / 25.9 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (V8)Total number of valves16
Engine ManufacturerPorscheValves per cylinder2
Engine constructionlight alloy block & headBore95.0 mm / 3.74 in / 3.74 in
Fuelpetrol (gasoline)Stroke78.9 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.2
Fuel supplyBo fuel inj.Engine displacement4474 cm3 / 273.0 cu in / 273.0 cu in
Engine Main bearings5Unitary capacity559.25 cm3/cylinder / 34.128 cu in/cylinder / 34.128 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio10.0 : 1
SumpwetMax. output power176.7 kW / 237.0 hp / 237.0 hp at 5250 rpm / 5250 rpm / 5250 rpm
AspirationnaturalMax. torque363.0 N·m / 267.7 lb·ft / 267.7 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)70.7 kW / 94.8 hp / 94.8 hp (est.)
CoolantwaterSpecific output39.5 kW/l / 0.868 bhp/cu in / 0.868 bhp/cu in
Catalytic converternoSpecific torque81.1 N·m/l / 0.71 lb·ft/cu in / 0.71 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.75

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio165.7 kW/ton / 125.5 bhp/ton / 125.5 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
Steeringrack & pinion PASSteering details
Turns lock-to-lockTurning circle11.5 m / 37.7 ft / 37.7 ft
Suspension frontIndependent, Coil springs, Wishbone (A-arm, control arm)Suspension rearIndependent, Coil springs,ST Wishbone (A-arm, control arm)
Wheels frontWheels rear
Tyres front215/60 VR 15Tyres rear215/60 VR 15
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front282 mm / 11.1 in / 11.1 inBrake diameter rear289 mm / 11.4 in / 11.4 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Porsche 928 Automatic

Infobox

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