| Model | Caroserie | Ani | kW | CP | Capacitate |
|---|---|---|---|---|---|
| GMC G25 Extended Cargo Van 4.8 | caroserie | 1974-09-01 - 1978-12-01 | 90 kW | 122 CP | 4765 cm3 |
| GMC G25 Extended Cargo Van 5.7 | caroserie | 1976-09-01 - 1978-12-01 | 123 kW | 167 CP | 5733 cm3 |
| GMC G25 Extended Cargo Van 6.6 | caroserie | 1976-09-01 - 1978-12-01 | 130 kW | 177 CP | 6573 cm3 |
| GMC G25 Extended Cargo Van 5.0 | caroserie | 1976-09-01 - 1978-12-01 | 108 kW | 147 CP | 5002 cm3 |
| GMC G25 Extended Cargo Van 4.1 | caroserie | 1977-09-01 - 1978-12-01 | 86 kW | 117 CP | 4097 cm3 |
| GMC G25 Extended Cargo Van 4.1 | caroserie | 1972-09-01 - 1974-12-01 | 75 kW | 102 CP | 4097 cm3 |