| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Armstrong Siddeley 20 | 1939 | 45 kW | 2783 ccm | - | - |
| Armstrong Siddeley 25 | 1939 | 64 kW | 3670 ccm | - | - |
| Armstrong Siddeley 16 | 1945 | 53 kW | 1989 ccm | - | - |
| Armstrong Siddeley Whitley | 1949 | 56 kW | 2309 ccm | - | - |
| Armstrong Siddeley Sapphire | 1953 | 94 kW | 3435 ccm | 141 km/h | - |
| Armstrong Siddeley Sapphire 234 | 1955 | 89 kW | 2290 ccm | 155 km/h | - |
| Armstrong Siddeley Sapphire 236 | 1955 | 64 kW | 2309 ccm | - | - |
| Armstrong Siddeley Sapphire 346 Limousine | 1955 | 94 kW | 3435 ccm | - | - |
| Armstrong Siddeley Limo | 1956 | 64 kW | 3435 ccm | - | - |
| Armstrong Siddeley Sapphire 234 | 1956 | 89 kW | 2290 ccm | - | - |
| Armstrong Siddeley Sapphire 236 | 1956 | 64 kW | 2307 ccm | - | - |
| Armstrong Siddeley Sapphire 236 | 1957 | 64 kW | 2309 ccm | - | - |
| Armstrong Siddeley Sapphire 234 | 1958 | 214 kW | 2290 ccm | 155 km/h | - |
| Armstrong Siddeley Star Sapphire | 1958 | 109 kW | 3990 ccm | - | - |
