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.
C20/30 family: C20NE, C20XE, C20LET, C24NE, C30SE.
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 |
The engine was installed on:
- Opel Calibra A (C89) in 1992 – 1997;
- Opel Vectra A (J89) in 1992 – 1994.
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.
Frequently asked questions about the Opel C20LET
How much power does the Opel C20LET make?
The Opel C20LET develops 204 hp and 280 Nm of torque.
How much oil does the Opel C20LET take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Opel C20LET have a timing belt or chain?
The Opel C20LET uses a timing belt.
Is the Opel C20LET turbocharged?
Yes, the Opel C20LET is turbocharged.
Does the Opel C20LET need valve clearance adjustment?
No, the Opel C20LET has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel C20LET last?
The typical lifespan of the Opel C20LET is ~250 000 km with proper maintenance.
What is the fuel consumption of the Opel C20LET?
Opel Calibra 1995: city 12.3, highway 6.8, combined 8.5 L/100 km.
What cars was the Opel C20LET installed on?
Opel Calibra A (C89) in 1992 - 1997; Opel Vectra A (J89) in 1992 - 1994.
What are the common problems of the Opel C20LET?
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. All known problems.





