GMC Vortec 8100 L18, Engine
| Engine capacity | 8,128 cm³ |
| Maximum power (range), hp | 340 |
| Maximum torque, N*m (kg*m) at rpm. | 617 (63) / 2800 |
| Fuel used | Petrol |
| Engine type | V-shaped, 8-cylinder |
| Maximum power, hp (kW) at rpm | 340 (250) / 4500 |
| Number of valves per cylinder (range) | 2 |