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Type | Convertible (cabrio) | Fixed-head coupé | Fixed-head coupé | |  |
Seats | 2 | 2 | 2+2 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 137 mph | 153 mph | 127 mph | |  |
Standing 1/4 mile | 14.57s | 14.00s | | |  |
Standing km | | 25.40s | | |  |
Power-to-weight | 219.1 hp/ton | 258.65 hp/ton | 148 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 8 ( 90.0º vee) | V 12 | V 8 ( 90.0º vee) | |  |
Valve train | Overhead valves | Single overhead camshaft | Single overhead camshaft | |  |
Valves | 2 valves per cylinder
16 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
16 total valves | |  |
Displacement | 350 cu in | 201 cu in | 122 cu in | |  |
Bore x Stroke | 4 in x 3 in
1.15 ratio | 3 in x 2 in
1.31 ratio | 3 in x 2 in
1.46 ratio | |  |
Compression ratio | 9.00:1 | 9.20:1 | 9.80:1 | |  |
Maximum power | 335 hp @ 5600 rpm | 284 hp @ 7500 rpm | 185 hp @ 7500 rpm | |  |
Maximum torque | 360 ft.lb @ 4000 rpm | 188 ft.lb @ 5500 rpm | 130 ft.lb @ 3800 rpm | |  |
Maximum RPM | 6500 | | 7900 | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Main bearings | 5 | 7 | 5 | |  |
Construction | | | Light alloy block &
Light alloy head | |  |
Coolant | Water | Water | Water | |  |
Sump | Wet sumped | | Wet sumped | |
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Wheelbase | 98 in | 94 in | 96 in | |  |
Length | 183 in | 172 in | 169 in | |  |
Width | 69 in | 67 in | 69 in | |  |
Height | 48 in | 49 in | 44 in | |  |
Track | front: 59 in
rear: 59 in | front: 54 in
rear: 55 in | front: 57 in
rear: 57 in | |  |
Ground clearance | | 6 in | 5 in | |  |
Kerb weight | 3371 lb | 2421 lb | 2756 lb | |  |
Weight distribution | 49.20 | 49.00 | | |  |
Fuel capacity | 18 US Gal | 25 US Gal | 21 US Gal | |
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Engine location | Front | Front | Middle | |  |
Engine Alignment | Longitudinal | Longitudinal | Transverse | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | |  |
Transmission | 4, Manual
| 5, Manual
| 5, Manual
| |  |
Top gear ratio | 1.00 | 1.04 | 0.90 | |  |
Steering | Recirculating ball | Worm & Roller | Rack & Pinion | |  |
Turns lock-to-lock | 3.4 | 2.75 | 4.3 | |  |
Turning circle | 0 ft | 44 ft | 35 ft | |  |
Brakes | | front: Disc rear: Disc servo assisted
| front: Disc Ventilated rear: Disc Ventilated servo assisted
| |  |
Brake diameter | | | front: 11 in
rear: 11 in
| |  |
Wheels | front: 8 15 rear: 8 15
| | | |  |
Tyres | | | front: 195/70 R14 rear: 205/70 R14
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