| Model | Caroserie | Ani | kW | CP | Capacitate |
|---|---|---|---|---|---|
| GMC G25 Extended Passenger Van 7.4 | bus | 1974-09-01 - 1976-12-01 | 179 kW | 243 CP | 7439 cm3 |
| GMC G25 Extended Passenger Van 4.8 | bus | 1974-09-01 - 1978-12-01 | 90 kW | 122 CP | 4765 cm3 |
| GMC G25 Extended Passenger Van 5.7 | bus | 1974-09-01 - 1978-12-01 | 123 kW | 167 CP | 5733 cm3 |
| GMC G25 Extended Passenger Van 6.6 | bus | 1976-09-01 - 1978-12-01 | 130 kW | 177 CP | 6573 cm3 |
| GMC G25 Extended Passenger Van 5.0 | bus | 1976-09-01 - 1978-12-01 | 108 kW | 147 CP | 5002 cm3 |
| GMC G25 Extended Passenger Van 5.7 | bus | 1973-09-01 - 1974-12-01 | 119 kW | 162 CP | 5733 cm3 |