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Porsche 928S

(1985 model)

Brief specs of 1985 Porsche 928S

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, SOHC (single overhead camshaft), 4664 cm3 / 284.6 cu in / 284.6 cu in, 231.2 kW / 310.0 hp / 310.0 hp @ 5900 rpm / 5900 rpm / 5900 rpm, 400.0 N·m / 295.0 lb·ft / 295.0 lb·ft @ 4500 rpm / 4500 rpm / 4500 rpm, manual 5-speed transmission, rear wheel drive, 255 km/h / 158 mph / 158 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1985
Model928SIssued 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)Max. cargo capacity (volume)

Dimensions & Weight

Length4447 mm / 175.1 in / 175.1 inTotal (curb) weight1550 kg / 3417 lb / 3417 lb
Width1836 mm / 72.3 in / 72.3 inDry weight
Height1282 mm / 50.5 in / 50.5 inLoad capacity
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight
Track front1549 mm / 61.0 in / 61.0 inTowing weight
Track rear1521 mm / 59.9 in / 59.9 inWeight distribution (front)50.0 % / 50.0 % / 50.0 %
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)2.00 m2 / 21.5 sq ft / 21.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.76 m2 / 8.2 sq ft / 8.2 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)18.9 kW / 25.3 hp / 25.3 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (90.0° vee)Total number of valves16
Engine ManufacturerPorscheValves per cylinder2
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 supplyBo LH-Jet fuel inj.Engine displacement4664 cm3 / 284.6 cu in / 284.6 cu in
Engine Main bearings5Unitary capacity583.00 cm3/cylinder / 35.577 cu in/cylinder / 35.577 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio10.4 : 1
SumpMax. output power231.2 kW / 310.0 hp / 310.0 hp at 5900 rpm / 5900 rpm / 5900 rpm
AspirationnaturalMax. torque400.0 N·m / 295.0 lb·ft / 295.0 lb·ft at 4500 rpm / 4500 rpm / 4500 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)98.8 kW / 132.5 hp / 132.5 hp (est.)
CoolantwaterSpecific output49.6 kW/l / 1.089 bhp/cu in / 1.089 bhp/cu in
Catalytic converternoSpecific torque85.8 N·m/l / 0.75 lb·ft/cu in / 0.75 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.73

Performance

Acceleration 0-50 mph (80 km/h)4.50 s / 4.50 s / 4.50 sTop (maximal) speed255 km/h / 158 mph / 158 mph
Acceleration 0-60 mph (97 km/h)6.20 s / 6.20 s / 6.20 sPower-to-weight ratio200.0 kW/ton / 151.5 bhp/ton / 151.5 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-lock3.1Turning circle11.5 m / 37.7 ft / 37.7 ft
Suspension frontIndependent, MacPherson strut, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Wishbone (A-arm, control arm)A, Wishbone (A-arm, control arm), Semi-trailing arm, Torsion bar, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Porsche 928S

Infobox

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How does my driving record affect my insurance premium?

The premium you pay is a direct reflection of your driving record for the past three to five years depending on the insurance company. Insurance companies order driving records from the DMV of your residence state and from other states where you've been licensed. Statistics show that drivers with tickets and accidents are more likely to have accidents than drivers with clean records.

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