The 2.0-liter turbo Opel C20LET engine was assembled at a German plant from 1992 to 1997 and installed on sports modifications of a number of popular models such as Vectra, Calibra. This power unit was very popular among fans of inexpensive garage tuning.
The C20/30 line also includes engines: C20NE, C20XE, C24NE and C30SE.
The engine was installed on:
- Opel Calibra A (C89) in 1992 – 1997;
- Opel Vectra A (J89) in 1992 – 1994.
Specifications
| Production years | 1992-1997 |
| Displacement, cc | 1998 |
| Fuel system | distributed injection |
| Power output, hp | 204 |
| Torque output, Nm | 280 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.0 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for Opel Calibra 1995) — city — highway — combined |
12.3 6.8 8.5 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 145 |
Disadvantages of the C20LET engine
- Almost all such motors are subject to revision and many problems are associated with this;
- The weak point of the engine is the cylinder head, it simply cracks;
- The timing belt resource is approximately 50 – 60 thousand km, when it breaks, the valves bend;
- The thermostat, pump and a number of electronic sensors have low reliability here;
- Many owners complain about the difficulty of setting the correct mixture formation.





