| 1999 | Chevrolet | Silverado 1500 | LS Standard Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | LT Extended Cab Pickup 3-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SL Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Extended Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Standard Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SL Standard Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLT Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLT Extended Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLT Extended Cab Pickup 3-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Extended Cab Pickup 3-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | LS Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | Base Extended Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | GMC | Sierra 1500 | SLE Standard Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | LT Extended Cab Pickup 2-Door | 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | Base Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | LS Standard Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | Base Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated | |
| 1999 | Chevrolet | Silverado 1500 | LT Extended Cab Pickup 2-Door | 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated | |
