The 2.0-liter Opel C20NE or LE4 engine was produced from 1986 to 1996 in Germany and was installed on all mid-size models of the concern of its time, such as Vectra and Omega. This power unit, after upgrading to EURO 2 environmental standards, received a new X20SE index.
C20/30 family: C20NE, C20XE, C20LET, C24NE, C30SE.
Specifications
| Production years | 1986-1996 |
| Displacement, cc | 1998 |
| Fuel system | distributed injection |
| Power output, hp | 115 |
| Torque output, Nm | 170 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.2 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| 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 Omega 1992) — city — highway — combined |
11.9 6.3 8.1 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 120 |
The engine was installed on:
- Opel Astra F (T92) in 1992 – 1994;
- Opel Ascona C (J82) in 1986 – 1988;
- Opel Calibra A (C89) in 1989 – 1996;
- Opel Frontera A (U92) in 1991 – 1995;
- Opel Kadett E (T85) in 1986 – 1993;
- Opel Omega A (V87) in 1986 – 1993;
- Opel Vectra A (J89) in 1988 – 1995.
Disadvantages of the C20NE engine
- The motor is reliable, without weaknesses and all its problems are associated with natural wear and tear;
- Most often, drivers complain about the vagaries of the ignition system, especially the distributor;
- In second place in popularity here are the failures of various electronic sensors;
- The timing belt runs approximately 50 – 60 thousand km, however, if it breaks, the valves will not bend;
- Due to the use of low-quality oils, hydraulic lifters can knock up to 100 thousand km.
Frequently asked questions about the Opel C20NE
How much power does the Opel C20NE make?
The Opel C20NE develops 115 hp and 170 Nm of torque.
How much oil does the Opel C20NE take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Opel C20NE have a timing belt or chain?
The Opel C20NE uses a timing belt.
Is the Opel C20NE turbocharged?
No, the Opel C20NE is naturally aspirated.
Does the Opel C20NE need valve clearance adjustment?
No, the Opel C20NE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel C20NE last?
The typical lifespan of the Opel C20NE is ~350 000 km with proper maintenance.
What is the fuel consumption of the Opel C20NE?
Opel Omega 1992: city 11.9, highway 6.3, combined 8.1 L/100 km.
What cars was the Opel C20NE installed on?
Opel Astra F (T92) in 1992 - 1994; Opel Ascona C (J82) in 1986 - 1988; Opel Calibra A (C89) in 1989 - 1996; Opel Frontera A (U92) in 1991 - 1995; Opel Kadett E (T85) in 1986 - 1993; Opel Omega A (V87) in 1986 - 1993 and 1 more (see the full list above).
What are the common problems of the Opel C20NE?
The motor is reliable, without weaknesses and all its problems are associated with natural wear and tear. Most often, drivers complain about the vagaries of the ignition system, especially the distributor. All known problems.





