Engine Great Wall GW4G15K

The 1.5-liter turbo Great Wall GW4G15K engine has been produced at a factory in China since 2020 and is currently only installed on the popular first-generation Haval Jolion crossover. By design, this power unit is an upgraded version of the Toyota 1NZ-FE engine.

Clones of Toyota engines: GW4G15, GW4G15B, GW4G15K, GW491QE.


Production years since 2020
Displacement, cc 1497
Fuel system distributed injection
Power output, hp 143
Torque output, Nm 210
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 75
Piston stroke, mm 84.7
Compression ratio 9.3
Features DOHC
Hydraulic lifters no
Timing drive chain
Phase regulator VVTi at the intake
Turbocharging yes
Recommended engine oil 5W-30
Engine oil capacity, liter 3.8
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Haval Jolion 2021)
— city
— highway
— combined
Engine lifespan, km ~220 000
Weight, kg 115

The engine was installed on:

  • Haval Jolion I since 2020.

Disadvantages of the Great Wall GW4G15K engine

  • A well-known problem of power units of this family is oil consumption.
  • About 100,000 km in the engines of this series, the timing chain is extended and requires replacement.
  • Also weak points here include the ignition system, turbine valve and engine mounts.
  • Valve clearance must be adjusted by selecting pushers every 90 thousand km.

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