Cadillac GM Northstar LH2, Engine
| Engine capacity | 4,565 cm³ |
| Maximum power (range), hp | 320 - 322 |
| Maximum torque, N*m (kg*m) at rpm. | 420 (43) / 4400 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 12.4 - 13.1 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | VVT |
| Maximum power, hp (kW) at rpm | 320 (235) / 6400 |
| Compression Ratio (Range) | 10.5 |
| Cylinder diameter (range), mm | 93 |
| Piston stroke (range), mm | 84 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |