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Type | Single Seater | Roadster | Tourer | |  |
Seats | 1 | | 4/6 | |  |
Doors | | 2 | | |
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Top Speed | | 202 mph | 47 mph | |  |
Acceleration (0-100 km/h) | | 3.4s | | |  |
Power-to-weight | 648.39 hp/ton | | 18.82 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |  |
Fuel consumption | | | 11.76 US MPG (combined) | |
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Engine | V 8 (90º vee) | V 10 | Straight 4 | |  |
Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Side valves | |  |
Valves | | 4 valves per cylinder
40 total valves | | |  |
Displacement | 256 cu in | 318 cu in | 449 cu in | |  |
Bore x Stroke | | 3 in x 4 in
0.91 ratio | 5 in x 6 in
0.83 ratio | |  |
Compression ratio | | 12.5:1 | | |  |
Maximum power | 603 hp | 570 hp @ 8000 rpm | 32 hp @ 1200 rpm | |  |
Maximum torque | 409 ft.lb | 398 ft.lb @ 6500 rpm | | |  |
Maximum RPM | 9000 | | | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Construction | Aluminium block &
Aluminium head | Aluminium block &
Aluminium head | | |  |
Coolant | | Water | Water | |  |
Sump | Dry sumped | Dry sumped | | |  |
Manufacturer | Gibson | | | |  |
Code | GK428 | | | |
 |
Wheelbase | 118 in | 101 in | 114 in | |  |
Length | 187 in | 173 in | 157 in | |  |
Width | 75 in | 75 in | 54 in | |  |
Height | 41 in | 46 in | 93 in | |  |
Track | front: 62 in
rear: 61 in | | front: 53 in
rear: 53 in | |  |
Kerb weight | 2050 lb | | 3748 lb | |
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Engine location | Middle | Middle | | |  |
Engine Alignment | Longitudinal | | Longitudinal | |  |
Wheel Drive | Rear wheel drive | Four wheel drive | Rear wheel drive | |  |
Transmission | 6, sequential manual
| 6, Manual
| 4, Manual
| |  |
Steering | Rack & Pinion | Rack & Pinion | | |  |
Power Steering | yes | | | |  |
Brakes | front: Disc Ventilated rear: Disc Ventilated
| front: Disc Ventilated rear: Disc Ventilated with ABS
| | |  |
Brake diameter | | front: 14 in
rear: 14 in
| | |  |
Wheels | front: 12.5 18 rear: 13 18
| front: 8.5 19 rear: 11 19
| | |  |
Tyres | front: 30/68 R18 rear: 31/71 R18
| front: 235/35 R19 rear: 295/30 R19
| | |
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Number made | | | 400 | |
|