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Porsche 928

(1991 model)

Brief specs of 1991 Porsche 928

2-door 4-seater convertible (cabriolet), petrol (gasoline) 8-cylinder 32-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 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, manual 5-speed transmission, rear wheel drive, 319 km/h / 198 mph / 198 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1991
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

Length4530 mm / 178.3 in / 178.3 inTotal (curb) weight1530 kg / 3373 lb / 3373 lb
Width2060 mm / 81.1 in / 81.1 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 ratio1.8  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.26 m2 / 24.3 sq ft / 24.3 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine Typestraight (inline) (Inline, 8 cylinder)Total number of valves32
Engine ManufacturerValves per cylinder4
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 DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.0 : 1
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)124.0 kW / 166.2 hp / 166.2 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 typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed319 km/h / 198 mph / 198 mph
Acceleration 0-60 mph (97 km/h)4.50 s / 4.50 s / 4.50 sPower-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 detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of Porsche 928

Infobox

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