Engine Great Wall GW4N20

The 2.0-liter Great Wall GW4N20 turbo engine has been produced at the Hycet factory since 2020 and is installed on popular models such as the Dargo or the third generation of the H6 crossover. This gasoline engine stands out in its lineup for its work on the Miller economical cycle.

The second generation of Hycet motors include: GW4N20, GWE20CB, GW6Z30.


Production years since 2020
Displacement, cc 1998
Fuel system direct injection
Power output, hp 192 – 241
Torque output, Nm 320 – 385
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 82
Piston stroke, mm 94.6
Compression ratio 12.0
Features Miller Cycle
Hydraulic lifters yes
Timing drive chain
Phase regulator on both shafts
Turbocharging yes
Recommended engine oil 0W-20
Engine oil capacity, liter 5.0
Fuel type petrol
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Haval Dargo 2022)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 157

The engine was installed on:

  • Haval Big Dog I since 2020;
  • Haval Big Dog II since 2023;
  • Haval Dargo I since 2022;
  • Haval H6 III since 2020.

Disadvantages of the GW4N20 engine

  • Some owners are already complaining about lubricant consumption from the first km of run.
  • Like all direct injection units, it suffers from carbon deposits on the intake valves.
  • It is also worth noting that this motor received an aluminum block instead of a cast iron one.

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