GMC GM Vortec LQ4, Engine
| Engine capacity | 5,967 cm³ |
| Maximum power (range), hp | 300 - 335 |
| Maximum torque, N*m (kg*m) at rpm. | 481 (49) / 4000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 15.7 - 19.8 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | OHV, SFI |
| Maximum power, hp (kW) at rpm | 300 (221) / 4800 |
| Compression Ratio (Range) | 9.4 |
| Cylinder diameter (range), mm | 101.6 |
| Piston stroke (range), mm | 92 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |