| Information on the Porsche 928 S4 & GT Cars |
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| The Porsche 928 S4 - GT Specifications |
| 928 S4 GT 1987 - 1991 |
| Engine: |
Water cooled 90 degree 32V DOHC V8, aluminum block and heads
Bore and Stroke: 100.0 x 78.9 mm
Displacement: 4,957cc
Horsepower : 316@5,250 rpm
Power to weight ratio: 11.6 lbs per horsepower
Compression ratio: 10.0:1
Cd: .34
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| Fuel system: | K-jetronic (Bosch) |
| Drivetrain: | 5 speed manual transmission
4 speed automatic |
| Suspension: | Front: Upper and lower A-arms, coil springs, tube shocks, anti-roll bar
Rear: Upper lateral links, lower trailing arms, Weissach axle, coil springs, tube shocks, anti-roll bar |
| Dimensions: |
Curb weight: 3,540 lbs
Wheelbase: 98.4"
Length: 175.1"
Width: 72.3"
Height: 51.7"
Track front/rear: 60.8"/59.6"
Ground clearance: 4.5" |
| Brakes and Wheels: | Power assisted, internally vented discs, ABS
16x7.0" front, 16x8.0" rear cast aluminum wheels |
| Fuel Economy: | 13 mpg (city) 17 mpg (hwy)
| | Performance: | 0-60mph: 5.5 seconds
0-1/4 mile: 13.8s @ 101.5 mph
Top Speed: 165 mph
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| In 1987-88, only the S4 was available. In 1989-91, you had a choice between
the S4 and the GT, the GT being the one with standard transmission |
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