In 1987 Porsche released the first truly updated Porsche 928 S4. Porsche increased the engine capacity to 5.0 liters, which bumped the stock horsepower to 320. Not only did they improve the power but also they updated the look smoothing out the design. The Porsche 928 S4 is one of the more desirable models since it represents a culmination of the 928 with power and style.
1987, 1988, 1989, 1990 and 1991 Porsche 928 S4 Specifications Specs:
Engine Capacity: 4957cc
Compression ratio: 10.4:1
Maximum Power: 320hp @ 6000rpm
Maximum Torque: 317ft-lb
Brakes: Front: 282mm discs; rear: 289mm discs; servo assisted with ABS
Suspension: Front: Independent with double wishbone, telescopic dampers with co-axial coil springs, plus anti-roll bar Rear: Independent with lower wishbones, upper transverse link (Porsche-Weissach patent geometry), coil springs, telescopic dampers, plus anti-roll bar
Wheels & Tires: Front: 16x7J with 225/50VR16 tires. Rear: 16x7J with 225/50VR16 tires
Length: 176″ inches
Width: 72″ inches
Weight: 3615 lbs
0-60 mph: 6 seconds
Go back to Porsche 928 Specifications specs home page.