| 1977 | GMC | K35 | Sierra Classic Cab & Chassis 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Grande Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | High Sierra Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Base Standard Cab Pickup 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Base Extended Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Base Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Crew Cab Pickup 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | High Sierra Crew Cab Pickup 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Cab & Chassis 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Cab & Chassis 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Grande Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Base Crew Cab Pickup 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | High Sierra Standard Cab Pickup 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Grande Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Classic Crew Cab Pickup 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | Sierra Grande Crew Cab Pickup 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1977 | GMC | K35 | High Sierra Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | |