Engine Opel Z20LET

The 2.0-liter turbo engine Opel Z20LET or L70 was produced from 2000 to 2005 in Germany and was installed on the Speedster sports car and OPC versions of such popular models as Astra, Zafira. After the 2005 update, the motor was divided into three modifications: Z20LEL, Z20LER and Z20LEH.

The Z family also includes engines: Z22SE, Z22YH, Z24SED, Z28NET and Z32SE.

The engine was installed on:

  • Opel Astra G (T98) in 2000 – 2005;
  • Opel Speedster A (E01) in 2003 – 2005;
  • Opel Zafira A (T98) in 2001 – 2004.


Production years 2000-2005
Displacement, cc 1998
Fuel system distributed injection
Power output, hp 190 – 200
Torque output, Nm 250
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 86
Piston stroke, mm 86
Compression ratio 8.8
Features no
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging yes
Recommended engine oil 5W-30
Engine oil capacity, liter 4.25
Fuel type petrol
Euro standards EURO 4
Fuel consumption, L/100 km (for Opel Astra OPC 2004)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 160

Disadvantages of the Z20LET engine

  • Oil seals are considered the weak point of the engine, they often have to be replaced;
  • Also, the exhaust manifold regularly cracks here, but it can usually be welded;
  • The timing belt is designed for a run of 60,000 kilometers, when it breaks, the valves bend 100%;
  • Minor troubles include regular oil leaks from under the valve cover.

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