| Model | Engine | Prod period | Body | Grade | Transm. | Options |
|---|---|---|---|---|---|---|
| RN31R-JD | 18R | 08.1978 - 08.1981 | T1 | DLX | 4H RHD GEN ECB CBU | |
| RN31R-JDN3 | 18R | 08.1978 - 08.1981 | T1 | DLX | 4H RHD SA ECB IV IV3 | |
| RN31R-JRQ | 18R | 01.1979 - 07.1983 | T1 | STD | 4H 18RC RHD ARL ECB CBU | |
| RN31R-JRQ3 | 18R | 01.1979 - 08.1981 | T1 | STD | 4H 18RC RHD ARL ECB IV IV3 | |
| RN31R-KD | 18R | 08.1978 - 08.1981 | T1 | DLX | 4F RHD GEN ECB CBU | |
| RN31R-KDN3 | 18R | 08.1978 - 08.1981 | T1 | DLX | 4F RHD SA ECB IV IV3 | |
| RN31R-MS | 18R | 08.1978 - 08.1981 | T1 | SR5 | 5F RHD GEN ECB CBU | |
| RN31R-MSN3 | 18R | 08.1978 - 08.1981 | T1 | SR5 | 5F RHD SA ECB IV IV3 | |
| RN31R-MSS | 18R | 01.1981 - 08.1982 | T1 | SR5 | 5F RHD GEN RCB CBU |