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Porsche 928 S4 (1991) – Specifications & Performance

1991 Porsche 928 S Technical Specifications

Model Year & Variant 1991 928 S4
Model Year 1991
Model Variant 928 S4
Type V8
Induction Normally-aspirated
Cooling Water-cooled
Valvetrain Double overhead camshafts
Injection Port injection
Bore & Stroke 3.94 in/100.0 mm x 3.11 in/78.9 mm
Displacement 302.38 cu-in/4,957 cc
Power 320 bhp @ 6000 rpm
Torque 317 lb-ft @ 3000 rpm
Max RPM 6000 rpm
Compression Ratio 10.0:1
Transmission 4-speed auto
Layout Front-engined, rear-wheel drive
Curb Weight 3,549 lbs.
Height 50.51 in/1,283 mm
Ground Clearance N/A
Length 178.07 in/4,523 mm
Wheelbase 98.43 in/2,500 mm
Width 72.28 in/1,836 mm
Track Front 61.06 in/1,551 mm
Track Rear 60.87 in/1,546 mm
Drag Coefficient 0.34
Wheel Size Front 16 x 7.5
Wheel Size Rear 16 x 9
Tire Size Front 225/50ZR-16
Tire Size Rear 245/45ZR-16
Brake Caliper Front Fixed 4-piston
Brake Caliper Rear Fixed 4-piston
Brake Disc Type Front Ventilated discs
Brake Disc Type Rear Ventilated discs
Brake 11.97 in/304 mm x 1.26 in/32 mm
Brake Disc Size Rear 11.77 in/299 mm x 1.10 in/28 mm
0 to 60 mph time 5.6 seconds
Top Speed 165 mph
MPG City 14
MPG Highway MPG HIGHWAY17
MPG Combined 15
Fuel Tank Capacity 22.7 U.S. gallons
Required Octane Premium unleaded (91+)