| Vehicle | Trim | Year | Engine | 
| C1500 | Base | 1980/1984 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1981 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Base | 1981/1984 | V8 CC:- CID:305 5.0L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1984 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1981 | V8 CC:- CID:350 5.7L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Base | 1982/1984 | V8 CC:- CID:379 6.2L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Base | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Base | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Heavy Half | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1984 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1981 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1981/1984 | V8 CC:- CID:305 5.0L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1984 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1981 | V8 CC:- CID:350 5.7L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | High Sierra | 1982/1984 | V8 CC:- CID:379 6.2L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | High Sierra | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | High Sierra | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1984 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1981 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1981/1984 | V8 CC:- CID:305 5.0L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1984 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1981 | V8 CC:- CID:350 5.7L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Sierra Classic | 1982/1984 | V8 CC:- CID:379 6.2L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Sierra Classic | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Classic | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1982 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1981 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1981/1982 | V8 CC:- CID:305 5.0L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1982 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1981 | V8 CC:- CID:350 5.7L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Sierra Grande | 1982/1982 | V8 CC:- CID:379 6.2L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Sierra Grande | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Sierra Grande | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1982 | L6 CC:- CID:250 4.1L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1980 | L6 CC:- CID:292 4.8L OHV CARB 1BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1981 | V8 CC:- CID:305 5.0L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1981/1982 | V8 CC:- CID:305 5.0L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1980 | V8 CC:- CID:350 5.7L OHV CARB 2BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1982 | V8 CC:- CID:350 5.7L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1981 | V8 CC:- CID:350 5.7L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Street Coupe | 1982/1982 | V8 CC:- CID:379 6.2L OHV FI MFI Naturally Aspirated DIESEL | 
| C1500 | Street Coupe | 1980/1980 | V8 CC:- CID:400 6.6L OHV CARB 4BBL Naturally Aspirated GAS | 
| C1500 | Street Coupe | 1980/1980 | V8 CC:- CID:454 7.4L OHV CARB 4BBL Naturally Aspirated GAS |