The Z 20 LEL DOHC II turbocharged petrol engine used in the Astra-H is a further enhancement of Opel's ECOTEC generation of engines and is based on the Z 20 LET DOHC II turbocharged petrol engine familiar from the Astra-G.
The following table lists the features of the Z 20 LEL DOHC II turbocharged petrol engine.
Technical Data - Z 20 Lel
| Engine code | Z 20 LEL |
|---|---|
| Number of cylinders | 4 |
| Bore diameter in (mm) | 86.0 |
| Stroke (mm) | 86.0 |
| Capacity (cc) | 1998 |
| Effective output (kW) | 125 |
| at rpm | 5200 |
| Torque (Nm) | 250 |
| at rpm | 1950 |
| Compression | 8.8 |
| Permissible max. engine speed rpm | 6400 |
| Engine management system | ME 7.6.1 |
| Engine control unit | Hybrid construction |
| Throttle valve port | Throttle valve module with electronic accelerator pedal |
| Accelerator pedal | with pedal sensor (electronic accelerator pedal) |
| Number of oxygen sensors | 2 |
| Catalytic converter | Start and main catalytic converter |
| Emissions standard | Euro 4 |