| Engine | Displacement | Power output (max.) |
| Straight-4 | ||
| 2H0 | 1.8 L (109.6 cu.in.) | 138.0 HP |
| V8 | ||
| Vortec 4800 | ||
| LR4 | 4.8 L (293.0 cu.in.) | 255.0-285.0 HP |
| LY2 | 4.8 L (293.0 cu.in.) | 260.0-295.0 HP |
| Vortec 5300 | ||
| LM7 | 5.3 L (325.0 cu.in.) | 270.0-295.0 HP |
| L59 | 5.3 L (325.0 cu.in.) | 285.0-295.0 HP |
| LM4 | 5.3 L (325.0 cu.in.) | 290.0-300.0 HP |
| L33 | 5.3 L (325.0 cu.in.) | 310.0 HP |
