Buick GM High Feature LGX, Engine
| Engine capacity | 3,640 cm³ |
| Maximum power (range), hp | 308 - 335 |
| Maximum torque, N*m (kg*m) at rpm. | 366 (37) / 5000 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 9.8 - 11.2 |
| Engine type | V-shaped, 6-cylinder |
| Additional engine information | DOHC, SIDI, CVVT |
| Maximum power, hp (kW) at rpm | 308 (227) / 6700 |
| Compression Ratio (Range) | 11.5 |
| Cylinder diameter (range), mm | 95 |
| Piston stroke (range), mm | 85.8 |
| Cooling system (range), l | 10.4 |
| Engine lubrication system (range), l | 5.7 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |