| Model | Engine | Prod period | Body | Grade | Transm. | Options |
|---|---|---|---|---|---|---|
| RB12-KRKQ | 20R | 11.1979 - 08.1980 | STD | 4F 39C SRF | ||
| RB12-MDEQ | 20R | 11.1979 - 08.1980 | DLX | 5F 22S SRF | ||
| RB12-MDERQ | 20R | 11.1979 - 08.1980 | 5F 21S BC SRF | |||
| RB12-MDQ | 20R | 11.1979 - 08.1980 | DLX | 5F 26S SRF | ||
| RB12-MDRQ | 20R | 11.1979 - 08.1980 | 5F 25S BC SRF | |||
| RB12-MDZEQ | 20R | 11.1979 - 08.1980 | DLX | 5F 22S HRF | ||
| RB12-MDZERQ | 20R | 11.1979 - 08.1980 | 5F 21S BC HRF | |||
| RB12-MDZQ | 20R | 11.1979 - 08.1980 | DLX | 5F 26S HRF | ||
| RB12-MDZRQ | 20R | 11.1979 - 08.1980 | 5F 25S BC HRF | |||
| RB12-MREQ | 20R | 11.1979 - 08.1980 | STD | 5F 22S SRF | ||
| RB12-MRKQ | 20R | 11.1979 - 08.1980 | STD | 5F 39C SRF | ||
| RB12-MRQ | 20R | 11.1979 - 08.1980 | STD | 5F 26S SRF | ||
| RB12-MRZQ | 20R | 11.1979 - 08.1980 | STD | 5F 26S HRF |