PORSCHE 928 S4 1991 Features and Options

Powertrain

• 5-liter, 316-horsepower, aluminum alloy, double overhead cam, V-8 engine
• Four valves per cylinder
• EZK ignition with knock sensor system
• LH Jetronic fuel injection with two-stage resonance induction system
• Fully automatic 4-speed transmission
• Automatic variable slip ratio limited-slip differential

Chassis

• Rack and pinion steering with power assist
• Four-piston, fixed-caliper, internally ventilated, power- assisted disc brakes and Anti-lock Braking System
• Fully independent suspension: double-A arms with coil springs, negative steering roll radius in front; Weissach axle with self-stabilizing toe characteristics in rear; stabilizer bars - 1.1 in. in front, .89 in. in rear
• Forged light alloy wheels with locks: 7.5J x 16 with
• 225/50 ZR-16 steel-belted radial tires in front, 9J x 16 with 245/45 ZR-16 steel-belted radial tires in rear
• Tire pressure monitoring system
• 22.7-gallon fuel tank

Exterior

• Wing-type rear spoiler
• 2-door coupe with 2 + 2 seating and rear hatch
• Retractable halogen headlights
• Front air dam with integrated fog lights
• Metallic paint
• Heated windshield washer nozzles

Interior

• Airbags for driver and passenger
• Three-point, inertia reel seatbeits, front and rear
• Driver information and diagnostic system in a combination backlit display that provides information to the driver in text and symbol format on 21 separate items
• Automatic climate control system with separate rear air conditioning
• Blaupunkt Stuttgart AM/FM digital display stereo cassette radio
• Hi-fi sound package with ten dual-cone loudspeakers, 6-channel, 160-watt amplifier system with active frequency distributor for bass loudspeakers
• Leather seats front and rear
• Leather-covered steering wheel
• Full power front seats
• Three-position Positrol memory for driver's seat and outside mirrors
• one-key central locking and alarm system with light-emitting diodes in door lock buttons to show the alarm is engaged
• Analog instrumentation including tachometer and gauges indicating oil pressure, coolant temperature, fuel level and battery charge
• Adjustable tilt steering column and instrument cluster
• Power windows
• Electrical rear-hatch release driver and passenger sides
• Rear window wiper
• Cruise control
• Fold-out front armrests
• Cassette holder
• Heavy duty windshield cleaning system
• Electrically adjustable and heatable outside rearview mirrors
• Red warning lights and white courtesy lights in doors
• Electric sliding sunroof
• Interior lighting with delayed shut-off
• Rear sun visors
• Mirrors in front sun visors

Warranties

• 10-year, limited rust-perforation warranty with unlimited mileage
• 24-month, limited vehicle warranty with unlimited mileage
• 3-year, limited paint warranty

Options

• Compact disc player
• Sport shock absorbers
• Electrically adjustable lumbar support for driver and passenger seats
• Heated front seats
• Supple, gathered-leather seat upholstery front and rear
• Sport seats for driver and passenger with electric height adjustment
• Three-position Positrot memory for passenger's seat

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