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Type | Fixed-head coupé | Roadster | |  |
Seats | 2+2 | 2 | |  |
Doors | 2 | 2 | |
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Top Speed | 155 mph | 117 mph | |  |
Power-to-weight | 172.81 hp/ton | 147.06 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 12 | Straight 6 | |  |
Valve train | Double overhead camshaft (per bank) | Single overhead camshaft | |  |
Valves | 4 valves per cylinder
48 total valves | 2 valves per cylinder
12 total valves | |  |
Displacement | 365 cu in | 431 cu in | |  |
Bore x Stroke | 4 in x 3 in
1.11 ratio | 4 in x 6 in
0.67 ratio | |  |
Compression ratio | 10.00:1 | 6.20:1 | |  |
Maximum power | 394 hp @ 5200 rpm | 250 hp @ 3300 rpm | |  |
Maximum torque | 420 ft.lb @ 3800 rpm | 415 ft.lb @ 1900 rpm | |  |
Fuel | Petrol | Petrol | |  |
Catalytic converter | yes | no | |  |
Main bearings | | 4 | |  |
Coolant | Water | Water | |  |
Sump | | Wet sumped | |
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Wheelbase | 123 in | 116 in | |  |
Length | 200 in | 167 in | |  |
Width | 87 in | 67 in | |  |
Height | 55 in | | |  |
Track | front: 71 in
rear: 74 in | front: 56 in
rear: 56 in | |  |
Ground clearance | 9 in | | |  |
Kerb weight | 5027 lb | 3748 lb | |  |
Weight distribution | 44.00 | | |  |
Drag coefficient | 0.390 | | |  |
Fuel capacity | 29 US Gal | 32 US Gal | |
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Engine location | Middle | Front | |  |
Engine Alignment | Longitudinal | Longitudinal | |  |
Wheel Drive | Four wheel drive | Rear wheel drive | |  |
Transmission | 4, Manual
| 4, Manual
| |  |
Top gear ratio | 1.00 | 1.00 | |  |
Steering | Rack & Pinion | Worm & Nut | |  |
Power Steering | yes | | |  |
Turns lock-to-lock | 2.5 | | |  |
Brakes | front: Disc Ventilated rear: Disc Ventilated with ABS servo assisted
| front: Drum rear: Drum
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