| Vehicle | Sub Model | Engine |
|---|
| 2004 Chevrolet Silverado 1500 | LT | 4.8L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LS | 4.3L V6 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LS | 6.0L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Base | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Base | 4.8L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | WT | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LT | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LT | 6.0L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Z71 Off-Road | 4.8L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | SS | 6.0L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Hybrid | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LS | 4.8L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Z71 Off-Road | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | WT | 4.8L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LT | 4.3L V6 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | Base | 4.3L V6 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | LS | 5.3L V8 Naturally Aspirated |
| 2004 Chevrolet Silverado 1500 | WT | 4.3L V6 Naturally Aspirated |