Pontiac GM Pontiac 250, Engine
| Engine capacity | 4,096 cm³ |
| Maximum power (range), hp | 175 - 230 |
| Maximum torque, N*m (kg*m) at rpm. | 325 (33) / 2600 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 15.8 - 17.2 |
| Engine type | In-line, 6-cylinder |
| Additional engine information | Rochester 4-barrel carburetor |
| Maximum power, hp (kW) at rpm | 175 (129) / 4800 |
| Compression Ratio (Range) | 9 - 10.5 |
| Cylinder diameter (range), mm | 98.46 |
| Piston stroke (range), mm | 89.66 |
| Cooling system (range), l | 11.5 |
| Engine lubrication system (range), l | 4.7 - 5.7 |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 |