Engine Opel X18XE1

The 1.8-liter Opel X18XE1 engine was produced from 1998 to 2000 at a Hungarian plant and was installed on the most popular concern models of its time, such as Astra, Vectra, Zafira. This power unit was not related to the X18XE, but was a modification of the X16XEL motor.

The X10 line includes: X12XE, X14XE, X16XEL, X16SZR, X18XE, X18XE1.

The engine was installed on:

  • Opel Astra G (T98) in 1998 – 2000;
  • Opel Vectra B (J96) in 1999 – 2000;
  • Opel Zafira A (T98) in 1999 – 2000.


Production years 1998-2000
Displacement, cc 1796
Fuel system distributed injection
Power output, hp 116
Torque output, Nm 170
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 80.5
Piston stroke, mm 88.2
Compression ratio 10.5
Features VIS
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.25
Fuel type petrol
Euro standards EURO 2
Fuel consumption, L/100 km (for Opel Astra 2000)
— city
— highway
— combined
Engine lifespan, km ~320 000
Weight, kg 145

Disadvantages of the X18XE1 engine

  • Many engine problems are related to ECU glitches, it’s easier to buy another than to repair;
  • In second place are floating engine speeds and the reason is usually throttle contamination;
  • Sometimes the unstable operation of this unit is associated with a clogged EGR valve;
  • The timing belt does not last long, change it every 60,000 km or if it breaks, the valves will bend.

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