GMC LGX, Engine
| Engine capacity | 3,649 cm³ |
| Maximum power (range), hp | 310 - 341 |
| Maximum torque, N*m (kg*m) at rpm. | 367 (37) / 5000 |
| Fuel used | Gasoline AI-92 |
| Fuel consumption, l/100 km | 9.8 - 11.2 |
| Engine type | V-shaped, 6-cylinder, adaptive fuel delivery system |
| Additional engine information | Multipoint injection, VVT |
| Maximum power, hp (kW) at rpm | 310 (228) / 6700 |
| Compression Ratio (Range) | 11.5 |
| Cylinder diameter (range), mm | 95 |
| Piston stroke (range), mm | 85.8 |
| Cooling system (range), l | 11.3 |
| Engine lubrication system (range), l | 5.7 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |