| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Bitter Diplomat CD | 1979 | 170 kW | 5354 ccm | - | - |
| Bitter Diplomat CD | 1978 | 170 kW | 5354 ccm | - | - |
| Bitter Diplomat CD | 1977 | 170 kW | 5354 ccm | - | - |
| Bitter Diplomat CD | 1976 | 170 kW | 5354 ccm | - | - |
| Bitter Diplomat CD | 1974 | 170 kW | 5354 ccm | - | - |
| Bitter Diplomat CD | 1975 | 170 kW | 5353 ccm | - | - |
| Bitter CD | 1973 | 169 kW | 5353 ccm | 209 km/h | - |
| Bitter Type III | 1988 | 158 kW | 3849 ccm | 225 km/h | 7.6 s |
| Bitter SC Spider 3.9 | 1984 | 155 kW | 3849 ccm | - | 8.6 s |
| Bitter SC Sedan 3.9 | 1985 | 155 kW | 3848 ccm | 230 km/h | 7.8 s |
| Bitter SC | 1982 | 133 kW | 2969 ccm | - | - |
| Bitter SC | 1981 | 132 kW | 2969 ccm | - | 10.1 s |
| Bitter SC Coupe | 1981 | 135 kW | 2969 ccm | - | 10.1 s |
| Bitter SC | 1986 | 132 kW | 2968 ccm | - | - |
| Bitter SC Spider | 1986 | 132 kW | 2968 ccm | - | - |
| Bitter SC Spider | 1985 | 132 kW | 2968 ccm | - | - |
| Bitter SC Spider | 1984 | 132 kW | 2968 ccm | - | - |
| Bitter SC | 1983 | 132 kW | 2968 ccm | - | - |
| Bitter SC Sedan | 1983 | 132 kW | 2968 ccm | 215 km/h | 8.8 s |
| Bitter SC Spider | 1983 | 133 kW | 2968 ccm | - | - |
