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  • Porsche 928 S4

    Porsche 928 S4 -

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Key facts

1986 Porsche 928 S4 information summary

What body style?
fixed-head coupé with 2+2 seats
How long?
4520 mm
How heavy?
1550 kg
What size engine?
5 litre, 4957 cm3
How many cylinders?
8, V
How much power?
320 PS / 316 bhp / 236 kW @ 6000 rpm
How much torque?
430 Nm / 317 ft.lb / 43.8 kgm @ 3000 rpm
How quick?
0-60 mph: 5.70 s
How fast?
274 km/h, 170 mph
How economical?
9.4/10.8/19.6 l/100km 90 km/h / 120 km/h / urban

Porsche

Porsche logo -

Porsche logo

Dr. Ing. h.c. F. Porsche AG

1986 Porsche 928 S4 technical specifications

Introduction

This car has a 2 door coupé type body with a front mounted engine supplying power to the rear wheels.
Its 5 litre engine is a naturally aspirated, double overhead camshaft, 8 cylinder unit that develops 316 bhp (320 PS/236 kW) of power at 6000 rpm, and maximum torque of 430 N·m (317 lb·ft/43.8 kgm) at 3000 rpm.
A 5 speed manual 'box supplies the power to the driven wheels.
The stated weight at the kerb is 1550 kg.
It is said to be able to achieve a maxiumum speed of 274 km/h (170 mph), official fuel consumption is 9.4/10.8/19.6 l/100km 90 km/h / 120 km/h / urban.
1986 Porsche 928 S4 data
1986 Porsche 928 S4 data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2500 98.4
Track/tread (front) 1551 61.1
Track/tread (rear) 1546 60.9
Length 4520 178
Width 1836 72.3
Height 1282 50.5
Ground clearance 120 4.7
length:wheelbase ratio 1.81
Kerb weight 1550 kg 3417 lb
Weight distribution
fuel tank capacity 86 litres 18.9 UK Gal 22.7 US Gal
aerodynamics
Drag coefficient 0.340
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Porsche
Engine code M 28/41
Cylinders V 8 in 90° vee
Capacity 5 litre
4957 cc
(302.495 cu in)
Bore × Stroke 100 × 78.9 mm
3.94 × 3.11 in
Bore/stroke ratio 1.27
double overhead camshaft (DOHC)
4 valves per cylinder
32 valves in total
maximum power output 320 PS (316 bhp) (236 kW)
at 6000 rpm
Specific output 63.7 bhp/litre
1.04 bhp/cu in
maximum torque 430 Nm (317 ft·lb) (43.8 kgm)
at 3000 rpm
Specific torque 86.75 Nm/litre
1.05 ft·lb/cu3
Engine construction
sump
compression ratio 10:1
Fuel system Bosch LH-Jetronic fuel injection
bmep (brake mean effective pressure) 1090.1 kPa (158.1 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 619.63 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 5.70 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 13.80 s
Standing kilometre
Maximum speed 274 km/h (170 mph)
Power-to-weight ratio 206.7 PS/g
152.03 kW/g
203.87 bhp/ton
0.09 bhp/lb
Weight-to-power ratio 6.58 kg/kW
10.99 lb/bhp
fuel consumption
Fuel consumption 9.4/10.8/19.6 l/100km 90 km/h / 120 km/h / urban
universal consumption (calculated from the above)
litres per 100km9.410.819.6 l100km 90kmph120kmphurban
km per litre10.6/9.3/5.1 km/l 90kmph/120kmph/urban
UK MPG30.1/26.2/14.4 UK MPG 90kmph/120kmph/urban
US MPG25.0/21.8/12.0 US MPG 90kmph/120kmph/urban
Carbon dioxide emissions
Carfolio Calculated CO2 ? 383.03 g/km
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion PAS
turns lock-to-lock
Turning circle
Front suspension I.DW.ARB.
Rear suspension I.LTA.UW.CS.ARB.
Wheel size front 7J x 16
Wheel size rear 8J x 16
Tyres front 225/50 ZR 16
Tyres rear 245/45 ZR 16
Brakes F/R VeDi/VeDi-S-ABS
Front brake diameter 304 mm
Rear brake diameter 299 mm
Gearbox 5 speed manual
Top gear ratio 1.00
Final drive ratio 2.64
general
Carfolio.com ID924
Production total
Model code
Model family
RAC rating 49.6
Insurance classification No information available
Tax band No information available
1986 Porsche 928 S4 added before December 1995.
Last modified 2013-02-28.

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1986 Porsche 928 S4


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