Car quick pick

My car fleet

No cars selected
Porsche logo

Porsche 928 S4 Automatic

(1986 model)

Brief specs of 1986 Porsche 928 S4 Automatic

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4957 cm3 / 302.5 cu in / 302.5 cu in, 235.6 kW / 315.9 hp / 315.9 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 430.0 N·m / 317.2 lb·ft / 317.2 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, automatic 4-speed transmission, rear wheel drive, 265 km/h / 165 mph / 165 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1986
Model928 S4 AutomaticIssued until
Serie928Number made
Model familyBody construction
Model codeBody designation


Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4520 mm / 178.0 in / 178.0 inTotal (curb) weight
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 front1551 mm / 61.1 in / 61.1 inTowing weight
Track rear1546 mm / 60.9 in / 60.9 inWeight distribution (front)
Ground clearance120 mm / 4.7 in / 4.7 inFuel capacity86 l / 18.9 UK gal / 22.7 US gal
Length/wheelbase ratio1.81  


Drag coefficient (Cd, Cx, Cw)0.34Frontal area (A)2.00 m2 / 21.5 sq ft / 21.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.68 m2 / 7.3 sq ft / 7.3 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)16.9 kW / 22.7 hp / 22.7 hp (est.)


Engine CodeTotal number of cylinders8
Engine TypeV engine (90.0° vee)Total number of valves32
Engine ManufacturerPorscheValves per cylinder4
Engine constructionBore100.0 mm / 3.94 in / 3.94 in
Fuelpetrol (gasoline)Stroke78.9 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.27
Fuel supplyBo LH-Jet fuel inj.Engine displacement4957 cm3 / 302.5 cu in / 302.5 cu in
Engine Main bearingsUnitary capacity619.63 cm3/cylinder / 37.812 cu in/cylinder / 37.812 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.0 : 1
SumpMax. output power235.6 kW / 315.9 hp / 315.9 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationnaturalMax. torque430.0 N·m / 317.2 lb·ft / 317.2 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)94.2 kW / 126.4 hp / 126.4 hp (est.)
CoolantwaterSpecific output47.5 kW/l / 1.044 bhp/cu in / 1.044 bhp/cu in
Catalytic converternoSpecific torque86.8 N·m/l / 0.76 lb·ft/cu in / 0.76 lb·ft/cu in


Transmission typeautomaticNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.54


Acceleration 0-50 mph (80 km/h)Top (maximal) speed265 km/h / 165 mph / 165 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/h6.30 s / 6.30 s / 6.30 sFuel 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


Engine locationfrontEngine alignmentlongitudinal
Steeringrack & pinion PASSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Double wishbones, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent,L Trailing arm, Upper wishbone, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front7J x 16Wheels rear8J x 16
Tyres front225/50 ZR 16Tyres rear245/45 ZR 16
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-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Porsche 928 S4 Automatic


Car Insurance Comparison – Why It is Important

Knowing what to look for when making a car insurance comparison is getting to be more important all of the time. Most, if not all states require motorists to have some level of auto insurance.

But now, states like Mississippi that do not have insurance databases are going to have them, and there must be proof of insurance before the automobile can get its tags renewed. According to the Jackson Free Press, the Mississippi legislature passed a new law in mid-March of 2011 requiring that motorists have more than just an insurance card, but actually have the insurance and be in the database. No insurance means no tags. This will prevent motorists from signing up for insurance and then canceling the policy to save money and still have the card.

With this becoming more common, it is more important now than ever to know how to make a car insurance comparison. Everyone wants to save money on auto insurance, and if that is the name of your game, you will want to get the absolute minimum that your state requires. That does not necessarily mean that you are going to have great insurance, though, because it will most likely just be liability. If your car still has some value to it, this may not be the best for you. If your car is totaled, you will have no way to recover the loss.

If you are already covered under a health insurance plan, it may not be necessary to get additional medical coverage with your auto insurance. If not, this could be crucial. Other additions that you will have to consider include towing, comprehensive coverage, theft, extra liability, car rental and a number of other options your agent will be happy to show you.