From RROCA-info
Number produced: 2,359
Original Specification: 6 cylinders, overhead inlet and side exhaust valves,
92.25 mm. x 114.3 mm. (4887 c.c),
single plate clutch, 4 speed automatic gearbox,
hydraulic front and combined hydraulic and mechanical rear brakes with servo,
suspension independent front and semi-elliptic rear,
wheelbase 123", weight (complete car) about 4370 lbs., tyres 8.20 x 15.
| Chassis Series | Year | Comments |
| SWA 2-250 | 1955/56 | 123" wheelbase |
| SXA 1-251 | 1955/56 | |
| SYB 2-250 | 1956 | |
| SZB 1-251 | 1956 | |
| SBC 2-150 | 1956/57 | |
| SCC 1-151 | 1956/57 | Power steering optional |
| SDD 2-450 | 1957/58 | |
| SED 1-451 | 1957/58 | |
| SFE 1-501 | 1957/58 | |
| SGE 2-500 | 1957/58 | |
| SHF 1-249 | 1958/59 | |
| SJF 2-250 | 1958/59 | |
| SKG 1-125 | 1959 | |
| SLG 2-126 | 1959 | |
| SMH 1-265 | 1959 | |
| SNH 2-262 | 1959 | |
| ALC 1-26 | 1957/58 | Long wheelbase (127") |
| BLC 1-51 | 1958/59 | |
| CLC 1-47 | 1959 |