Engine Chevrolet Z20S1

The 2.0-liter Chevrolet Z20S1 or Z20DM or LMN engine was produced from 2006 to 2011 and was installed on such popular concern models as the Lacetti or Captiva. This diesel engine was developed by the Italian company VM Motori and has its own index RA 420 SOHC 16V.

The Z series also includes engines: Z20S, Z20D1 and Z22D1.

The engine was installed on:

  • Chevrolet Captiva C100 in 2006 – 2010;
  • Chevrolet Lacetti J200 in 2007 – 2011;
  • Opel Antara in 2006 – 2010.


Production years 2006-2011
Displacement, cc 1991
Fuel system Common Rail
Power output, hp 121 – 127
Torque output, Nm 280 – 300
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 83
Piston stroke, mm 92
Compression ratio 17.5
Features intercooler
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging VGT
Recommended engine oil 5W-30
Engine oil capacity, liter 6.2
Fuel type diesel
Euro standards EURO 4
Fuel consumption, L/100 km (for Chevrolet Lacetti 2008)
— city
— highway
— combined
Engine lifespan, km ~400 000

Disadvantages of the Z20S1 engine

  • Like any modern Common Rail diesel, this unit does not like bad fuel;
  • Fuel injectors turned out to be especially sensitive to low-quality diesel fuel;
  • The timing belt resource is about 60,000 km, and when it breaks, the valve almost always bends.

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