GMC LLT, Engine
| Engine capacity | 3,564 cm³ |
| Maximum power (range), hp | 245 - 311 |
| Maximum torque, N*m (kg*m) at rpm. | 330 (34) / 2600 |
| Fuel used | Gas/petrol |
| Fuel consumption, l/100 km | 10.9 - 12.4 |
| Engine type | V-shaped, 6-cylinder |
| Additional engine information | VVT |
| Maximum power, hp (kW) at rpm | 245 (180) / 6000 |
| Compression Ratio (Range) | 11.7 |
| Cylinder diameter (range), mm | 94 |
| Piston stroke (range), mm | 85.6 |
| CO₂ emissions (range), g/km | 241 |
| Cooling system (range), l | 11.2 |
| Engine lubrication system (range), l | 5.2 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |