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.
GW4G (Toyota) family: GW4G15, GW4G15B, GW4G15K, GW491QE, GW4G13, GW4G15F.
Specifications
| 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 |
9.9 6.1 7.5 |
| 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.
Frequently asked questions about the Great Wall GW4G15K
How much power does the Great Wall GW4G15K make?
The Great Wall GW4G15K develops 143 hp and 210 Nm of torque.
How much oil does the Great Wall GW4G15K take and which one?
Engine oil capacity: 3.8 liters. Recommended oil: 5W-30.
Does the Great Wall GW4G15K have a timing belt or chain?
The Great Wall GW4G15K uses a timing chain.
Is the Great Wall GW4G15K turbocharged?
Yes, the Great Wall GW4G15K is turbocharged.
Does the Great Wall GW4G15K need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Great Wall GW4G15K last?
The typical lifespan of the Great Wall GW4G15K is ~220 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4G15K?
Haval Jolion 2021: city 9.9, highway 6.1, combined 7.5 L/100 km.
What cars was the Great Wall GW4G15K installed on?
Haval Jolion I since 2020.
What are the common problems of the Great Wall GW4G15K?
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. All known problems.
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