The 2.0-liter Opel C20XE engine was produced from 1987 to 1996 at a German plant and was installed on charged versions of such popular models as Astra, Vectra, Calibra. The power unit was seriously upgraded in 1993, so there are two versions of it.
C20/30 family: C20NE, C20XE, C20LET, C24NE, C30SE.
Specifications
| Production years | 1987-1996 |
| Displacement, cc | 1998 |
| Fuel system | distributed injection |
| Power output, hp | 150 |
| Torque output, Nm | 200 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.5 |
| 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 Vectra 1993) — city — highway — combined |
10.4 5.8 7.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 136 |
The engine was installed on:
- Opel Astra F (T92) in 1991 – 1996;
- Opel Calibra A (C89) in 1989 – 1994;
- Opel Kadett E (T85) in 1988 – 1991;
- Opel Vectra A (J89) in 1988 – 1994.
Disadvantages of the C20XE engine
- The most famous weak point of this motor is the cylinder head, it often cracks;
- When replacing, it is recommended to purchase a more reliable cylinder head manufactured by Cosworth;
- Monitor the condition of the timing belt, it can break up to 50,000 km and the valves will bend;
- Before the 1993 update, an unreliable ignition system caused a lot of problems;
- Hydraulic lifters do not like low-quality oil and start knocking at 90,000 km.
Frequently asked questions about the Opel C20XE
How much power does the Opel C20XE make?
The Opel C20XE develops 150 hp and 200 Nm of torque.
How much oil does the Opel C20XE take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Opel C20XE have a timing belt or chain?
The Opel C20XE uses a timing belt.
Is the Opel C20XE turbocharged?
No, the Opel C20XE is naturally aspirated.
Does the Opel C20XE need valve clearance adjustment?
No, the Opel C20XE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel C20XE last?
The typical lifespan of the Opel C20XE is ~300 000 km with proper maintenance.
What is the fuel consumption of the Opel C20XE?
Opel Vectra 1993: city 10.4, highway 5.8, combined 7.9 L/100 km.
What cars was the Opel C20XE installed on?
Opel Astra F (T92) in 1991 - 1996; Opel Calibra A (C89) in 1989 - 1994; Opel Kadett E (T85) in 1988 - 1991; Opel Vectra A (J89) in 1988 - 1994.
What are the common problems of the Opel C20XE?
The most famous weak point of this motor is the cylinder head, it often cracks. When replacing, it is recommended to purchase a more reliable cylinder head manufactured by Cosworth. All known problems.





