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| Type | Fixed-head coupé | Fixed-head coupé | Tourer | Saloon (sedan) | Saloon (sedan) | | |
| Seats | 4/5 | 4/5 | 4/5 | 4/5 | 2 | | |
| Doors | 2 | 2 | 4 | | 2 | |
|
| Top Speed | | | | | 50 mph | | |
| Power-to-weight | 150.27 hp/ton | 164.47 hp/ton | | 74.51 hp/ton | 32.26 hp/ton | | |
| Specific Output | 0 hp/cu in | 0 hp/cu in | | 0 hp/cu in | 0 hp/cu in | |
|
| Engine | V 8 | V 8 | | Straight 6 | | | |
| Valve train | Overhead valves | Overhead valves | | Side valves | Two stroke | | |
| Valves | 2 valves per cylinder
16 total valves | 2 valves per cylinder
16 total valves | | 2 valves per cylinder
12 total valves | | | |
| Displacement | 390 cu in | 428 cu in | 203 cu in | 243 cu in | 12 cu in | | |
| Bore x Stroke | 4 in x 4 in
1.07 ratio | 4 in x 4 in
1.04 ratio | 3 in x 4 in
0.82 ratio | 3 in x 4 in
0.79 ratio | 3 in x 2 in
1.12 ratio | | |
| Compression ratio | 10.50:1 | 10.50:1 | | 7.30:1 | | | |
| Maximum power | 304 hp @ 4600 rpm | 350 hp @ 4600 rpm | | 114 hp @ 3600 rpm | 10 hp @ 5250 rpm | | |
| Maximum torque | 427 ft.lb
@ 2800 rpm | 426 ft.lb
@ 2800 rpm | | | | | |
| Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | | |
| Main bearings | | 5 | 7 | | | | |
| Coolant | Water | Water | Air | Water | Air | |
|
| Wheelbase | 113 in | 113 in | 119 in | 124 in | 81 in | | |
| Length | 206 in | 206 in | | 207 in | 126 in | | |
| Width | 77 in | 77 in | | 73 in | 57 in | | |
| Height | 53 in | 53 in | | | | | |
| Track | front: 61 in
rear: 60 in | front: 61 in
rear: 60 in | | | front: 47 in
rear: 16 in | | |
| Kerb weight | 4460 lb | 4691 lb | 2844 lb | 3373 lb | 683 lb | | |
| Fuel capacity | | | 15 US Gal | | 4 US Gal | |
|
| Engine location | Front | Front | Front | Front | Rear | | |
| Engine Alignment | Longitudinal | Longitudinal | Longitudinal | Longitudinal | | | |
| Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | | |
| Transmission | 3, Automatic
| 3, Automatic
| | 3, Automatic
| | | |
| Top gear ratio | 1.00 | 1.00 | | 1.00 | | | |
| Brakes | front: Drum
rear: Drum
servo assisted
| | | | | |
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