Engine Great Wall GW4G15B

The 1.5-liter turbo engine Great Wall GW4G15B has been produced at the concern’s factory since 2013 and is installed on such popular models of the Chinese company as the Hover H6 and Hawal H6. This motor is essentially a supercharged version of the famous Japanese Toyota 1NZ-FE engine.

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


Production years since 2013
Displacement, cc 1497
Fuel system distributed injection
Power output, hp 143 – 150
Torque output, Nm 203 – 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 MHI TF035HM
Recommended engine oil 5W-30
Engine oil capacity, liter 4.3
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Haval H6 2018)
— city
— highway
— combined
Engine lifespan, km ~200 000
Weight, kg 115

The engine was installed on:

  • Great Wall Hover H6 since 2013;
  • Haval H2 I in 2014 – 2021;
  • Haval H6 I since 2013.

Disadvantages of the Great Wall GW4G15B engine

  • The main problem of this turbo engine and all engines of the family is oil consumption;
  • The cause of the oil burner is the occurrence of rings and poor crankcase ventilation;
  • By 100,000 km, the timing chain often needs to be replaced and usually together with a phase shifter;
  • Other weak points include the ignition system, turbine valve and unit supports;
  • Every 90,000 km, it is necessary to adjust the valve clearance by selecting pushers.

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