| GMC | B6000 | 1980 | B6P042 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | B6000 | 1980 | B6P042 | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | B6000 | 1981 | B6P042 Bus (Non School) - Cab Forward | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | B6000 | 1981 | B6P042 Bus (Non School) - Cab Forward | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | B6000 | 1981-1985 | B6P042 Bus (School) - Cab Forward | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | B6000 | 1981-1985 | B6P042 Bus (School) - Cab Forward | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C6000 | 1980-1985 | C6D042 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C6000 | 1981-1985 | C6D042 Cab & Chassis - Conventional 2-Door | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C6000 | 1981-1985 | C6D042 Tractor Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C6000 | 1981 | C6D044 Cab & Chassis - Conventional 2-Door | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C6000 | 1980-1982 | C6D062 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C6000 | 1981-1982 | C6D062 Straight Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1980-1985 | C7D042 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1980-1985 | C7D042 | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D042 Cab & Chassis - Conventional 2-Door | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D042 Cab & Chassis - Conventional 2-Door | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D042 Tractor Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D042 Tractor Truck - Medium Conventional | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1983 | C7D044 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1983 | C7D044 | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D044 Cab & Chassis - Conventional 2-Door | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D044 Cab & Chassis - Conventional 2-Door | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1984-1985 | C7D044 Tractor Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1984-1985 | C7D044 Tractor Truck - Medium Conventional | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1980-1985 | C7D064 | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1980-1985 | C7D064 | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981,1985 | C7D064 Straight Truck - Low Tilt | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981,1985 | C7D064 Straight Truck - Low Tilt | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D064 Straight Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D064 Straight Truck - Medium Conventional | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1983 | C7D064 Tractor Truck - Low Tilt | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1983 | C7D064 Tractor Truck - Low Tilt | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D064 Tractor Truck - Medium Conventional | 6.0L 366Cu. In. V8 GAS OHV Naturally Aspirated | |
| GMC | C7000 | 1981-1985 | C7D064 Tractor Truck - Medium Conventional | 7.0L 427Cu. In. V8 GAS Naturally Aspirated | |