GMC Duramax LM2, Engine
| Engine capacity | 2,993 cm³ |
| Maximum power (range), hp | 277 - 278 |
| Maximum torque, N*m (kg*m) at rpm. | 624 (64) / 1500 |
| Fuel used | Diesel fuel |
| Fuel consumption, l/100 km | 9.8 - 11.2 |
| Engine type | In-line, 6-cylinder |
| Maximum power, hp (kW) at rpm | 277 (204) / 3750 |
| Compression Ratio (Range) | 15 |
| Cylinder diameter (range), mm | 84 |
| Piston stroke (range), mm | 90 |
| Supercharger | Turbine |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |