Buick GM High Feature LFX, Engine
| Engine capacity | 3,564 cm³ |
| Maximum power (range), hp | 300 - 321 |
| Maximum torque, N*m (kg*m) at rpm. | 335 (34) / 5300 |
| Fuel used | Gasoline AI-91 |
| Fuel consumption, l/100 km | 9.8 - 11.8 |
| Engine type | V-shaped, 6-cylinder |
| Additional engine information | CVVT, SIDI |
| Maximum power, hp (kW) at rpm | 300 (221) / 6500 |
| Compression Ratio (Range) | 11.5 |
| Cylinder diameter (range), mm | 89 - 94 |
| Piston stroke (range), mm | 80.2 - 85.6 |
| CO₂ emissions (range), g/km | 252 |
| Cooling system (range), l | 7.7 - 11.7 |
| Engine lubrication system (range), l | 4.7 - 5.7 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |