1986 Porsche 928 S4 Automatic

This vehicle has a 2 door coupé body style with a front located engine supplying power to the rear wheels. The 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a volume of 5 litres. For this model it musters power and torque figures of 316 bhp (320 PS/236 kW) at 6000 rpm and 430 Nm (317 lbft/43.8 kgm) at 3000 rpm respectively. This power is supplied to the wheels through a 4 speed automatic transmission. Maximum speed claimed is 265 km/h or 165 mph, quoted fuel consumption figures are 9.0/10.9/17.1 l/100km 90 km/h / 120 km/h / urban.

Pictures

Porsche 928 S4 -
Porsche 928 S4
Image courtesy of Porsche

Key facts

1986 Porsche 928 S4 Automatic information summary

What body style?
2 door fixed-head coupé with 2+2 seats
How long?
4520 mm
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?
0-100 km/h: 6.3 s
How fast?
265 km/h, 165 mph
How economical?
9.0/10.9/17.1 l/100km 90 km/h / 120 km/h / urban

Porsche 928 models

Porsche 928 GTS -
2 door fixed-head coupé FR 5M 5397 cm3 350 PS 345 bhp 257 kW 1600 kg
2 door fixed-head coupé FR 4A 5397 cm3 350 PS 345 bhp 257 kW 1640 kg
Porsche 928 GT -
2 door fixed-head coupé FR 5M 4957 cm3 330 PS 325 bhp 242 kW 1580 kg
Porsche 928 S4 Clubsport -
2 door fixed-head coupé FR 5M 4957 cm3 320 PS 316 bhp 236 kW 1450 kg
Porsche 928 S4 -
2 door fixed-head coupé FR 5M 4957 cm3 320 PS 316 bhp 236 kW 1550 kg
Porsche 928 -
2 door fixed-head coupé FR 5M 4474 cm3 240 PS 237 bhp 177 kW 1451 kg
2 door fixed-head coupé FR 3A 4474 cm3 240 PS 237 bhp 177 kW

Similar models

Aston Martin Virage -
2 door fixed-head coupé FR 5M 5341 cm3 335 PS 330 bhp 246 kW 1950 kg
Aston Martin Virage -
2 door fixed-head coupé FR 3A 5341 cm3 335 PS 330 bhp 246 kW
Ferrari 412i -
2 door fixed-head coupé FR 5M 4942 cm3 340 PS 335 bhp 250 kW 1805 kg
2 door fixed-head coupé FR 3A 4942 cm3 340 PS 335 bhp 250 kW 1810 kg
1986 Porsche 928 S4 Automatic data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
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
Weight distribution
fuel tank capacity 86 litres 18.9 UK Gal 22.7 US Gal
aerodynamics
Drag coefficient 0.34
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Porsche
Engine code M 28/42
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
Valve gear 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 Bo LH-Jet fuel inj.
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
Acceleration 0-100km/h 6.3 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 265 km/h (165 mph)
Power-to-weight ratio
Weight-to-power ratio
fuel consumption
Fuel consumption 9.0/10.9/17.1 l/100km 90 km/h / 120 km/h / urban
universal consumption (calculated from the above)
litres/100km9.0/10.9/17.1 l/100km 90kmph/120kmph/urban
km/litre11.1/9.2/5.8 km/l 90kmph/120kmph/urban
UK MPG31.4/25.9/16.5 UK MPG 90kmph/120kmph/urban
US MPG26.1/21.6/13.8 US MPG 90kmph/120kmph/urban
Carbon dioxide emissions
Carfolio Calculated CO2 ? 343.82 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
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
Braked area
Gearbox 4
Top gear ratio 1
Final drive ratio 2.54
general
Carfolio.com ID162360
Production total
Model code
Model family
RAC rating 49.6
Insurance classification No information available
Tax band No information available
1986 Porsche 928 S4 Automatic added 2007-10-09.
Last modified 2013-02-28.