The 2.5-liter Opel X25XE or Ecotec L80 engine was produced from 1994 to 2000 in England and was installed on charged versions of such well-known models as Vectra, Omega, Calibra. An even more powerful modification of this power unit with the X25XEI index was also proposed.
X20 family: X20SE, X20XEV, X22SE, X22XE, X25XE, X30XE.
Specifications
| Production years | 1994-2000 |
| Displacement, cc | 2498 |
| Fuel system | distributed injection |
| Power output, hp | 170 |
| Torque output, Nm | 230 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 81.6 |
| Piston stroke, mm | 79.6 |
| Compression ratio | 10.8 |
| Features | Multiram |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.75 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Opel Omega 1996) — city — highway — combined |
14.7 7.9 9.1 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 190 |
The engine was installed on:
- Opel Calibra A (C89) in 1996 – 1997;
- Opel Omega B (V94) in 1994 – 2000;
- Opel Vectra B (J96) in 1995 – 2000.
Disadvantages of the X25XE engine
- Grease often oozes from under the valve cover and sometimes penetrates into the spark plug wells;
- The oil cooler is also not famous for its tightness, from there the lubricant enters the antifreeze;
- The oil receiver is close to the sump and blocks it in case of any damage;
- The timing belt resource is approximately 60,000 km, and if it breaks, the valves will bend 100%;
- This engine is afraid of the cold and in severe frost there will be problems with starting.
Frequently asked questions about the Opel X25XE
How much power does the Opel X25XE make?
The Opel X25XE develops 170 hp and 230 Nm of torque.
How much oil does the Opel X25XE take and which one?
Engine oil capacity: 5.75 liters. Recommended oil: 5W-30.
Does the Opel X25XE have a timing belt or chain?
The Opel X25XE uses a timing belt.
Is the Opel X25XE turbocharged?
No, the Opel X25XE is naturally aspirated.
Does the Opel X25XE need valve clearance adjustment?
No, the Opel X25XE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel X25XE last?
The typical lifespan of the Opel X25XE is ~400 000 km with proper maintenance.
What is the fuel consumption of the Opel X25XE?
Opel Omega 1996: city 14.7, highway 7.9, combined 9.1 L/100 km.
What cars was the Opel X25XE installed on?
Opel Calibra A (C89) in 1996 - 1997; Opel Omega B (V94) in 1994 - 2000; Opel Vectra B (J96) in 1995 - 2000.
What are the common problems of the Opel X25XE?
Grease often oozes from under the valve cover and sometimes penetrates into the spark plug wells. The oil cooler is also not famous for its tightness, from there the lubricant enters the antifreeze. All known problems.





