| Model | Caroserie | Ani | kW | CP | Capacitate |
|---|---|---|---|---|---|
| GMC K25 Extended Cab Pickup 4.1 4WD | pick-up | 1973-09-01 - 1975-12-01 | 78 kW | 106 CP | 4097 cm3 |
| GMC K25 Extended Cab Pickup 4.8 4WD | pick-up | 1974-09-01 - 1978-12-01 | 90 kW | 121 CP | 4765 cm3 |
| GMC K25 Extended Cab Pickup 5.7 4WD | pick-up | 1974-09-01 - 1976-12-01 | 123 kW | 167 CP | 5733 cm3 |
| GMC K25 Extended Cab Pickup 6.6 4WD | pick-up | 1976-09-01 - 1978-12-01 | 130 kW | 177 CP | 6573 cm3 |
| GMC K25 Extended Cab Pickup 7.4 4WD | pick-up | 1977-09-01 - 1979-12-01 | 153 kW | 208 CP | 7439 cm3 |
| GMC K25 Extended Cab Pickup 5.0 4WD | pick-up | 1976-09-01 - 1978-12-01 | 108 kW | 147 CP | 5002 cm3 |
| GMC K25 Extended Cab Pickup 7.4 4WD | pick-up | 1976-09-01 - 1977-12-01 | 179 kW | 243 CP | 7439 cm3 |
| GMC K25 Extended Cab Pickup 7.4 4WD | pick-up | 1973-09-01 - 1974-12-01 | 172 kW | 234 CP | 7439 cm3 |