 |
| Type | Roadster | Convertible (cabrio) | Roadster | Fixed-head coupé | | |
| Seats | 2 | 2+2 | 2 | 2 | | |
| Doors | | 2 | 2 | 2 | |
|
| Top Speed | 70 mph | 109 mph | 93 mph | 180 mph | | |
| Acceleration (0-100 km/h) | | | 10.4s | | | |
| Standing 1/4 mile | | 18.00s | | 15.80s | | |
| Power-to-weight | 35.81 hp/ton | 83.02 hp/ton | 96.39 hp/ton | 290 hp/ton | | |
| Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
|
| Engine | Straight 4 | Straight 4 | Straight 6 | V 12 | | |
| Valve train | | Double overhead camshaft (per bank) | Overhead valves | Single overhead camshaft | | |
| Valves | | 2 valves per cylinder
8 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
24 total valves | | |
| Displacement | 354 cu in | 122 cu in | 120 cu in | 303 cu in | | |
| Bore x Stroke | 5 in x 5 in
1.03 ratio | 3 in x 4 in
0.93 ratio | 3 in x 4 in
0.69 ratio | 3 in x 3 in
1.29 ratio | | |
| Compression ratio | | 8.00:1 | 7.50:1 | 8.80:1 | | |
| Maximum power | 39 hp | 87 hp @ 5100 rpm | 80 hp @ 5000 rpm | 406 hp @ 6500 rpm | | |
| Maximum torque | | 104 ft.lb
@ 3000 rpm | 93 ft.lb
@ 4000 rpm | 350 ft.lb
@ 4750 rpm | | |
| Fuel | Petrol | Petrol | Petrol | Petrol | | |
| Main bearings | | 5 | 4 | | | |
| Construction | | | Cast iron block &
Light alloy head | | | |
| Coolant | Water | Water | Water | Water | |
|
| Wheelbase | 102 in | 90 in | 94 in | 104 in | | |
| Length | | 163 in | 154 in | 190 in | | |
| Width | | 64 in | 61 in | 70 in | | |
| Height | | 48 in | 55 in | 50 in | | |
| Track | front: 56 in
rear: 56 in | front: 53 in
rear: 52 in | front: 45 in
rear: 48 in | | | |
| Ground clearance | | 5 in | 8 in | | | |
| Kerb weight | 2401 lb | 2310 lb | 1830 lb | 3086 lb | | |
| Weight distribution | | 56.00 | | | | |
| Fuel capacity | 16 US Gal | 12 US Gal | 13 US Gal | | |
|
| Engine location | Front | Front | Front | Front | | |
| Engine Alignment | Longitudinal | Longitudinal | Longitudinal | Longitudinal | | |
| Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | | |
| Transmission | 3, Manual
| 5, Manual
| 4, Manual
| 4, Manual
| | |
| Top gear ratio | 1.00 | 0.88 | 1.00 | | | |
| Steering | Worm & Nut | Worm & Roller | Rack & Pinion | | | |
| Turns lock-to-lock | | 2.8 | | | | |
| Turning circle | 0 ft | 34 ft | 0 ft | 0 ft | | |
| Brakes | rear: Drum
| front: Disc
rear: Disc
servo assisted
| front: Drum
rear: Drum
| | | |
| Brake diameter | | | front: 11 in
rear: 11 in
| | |
|
| Number made | | | 464 | | |
|
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PT
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US