Cadillac GM Northstar LC3, Engine
| Engine capacity | 4,371 cm³ |
| Maximum power (range), hp | 443 - 444 |
| Maximum torque, N*m (kg*m) at rpm. | 561 (57) / 3900 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 13.8 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | VVT |
| Maximum power, hp (kW) at rpm | 443 (326) / 6400 |
| Compression Ratio (Range) | 9 |
| Cylinder diameter (range), mm | 91 |
| Piston stroke (range), mm | 84 |
| Supercharger | Compressor |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |