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.
Hycet family: GW4N20, GW6Z30, GWE20CB.
Specifications
| 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 |
10.9 6.7 8.3 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 157 |
The engine was installed on:
- Haval Big Dog I since 2020, 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.
Frequently asked questions about the Great Wall GW4N20
How much power does the Great Wall GW4N20 make?
The Great Wall GW4N20 develops 192 - 241 hp and 320 - 385 Nm of torque.
How much oil does the Great Wall GW4N20 take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 0W-20.
Does the Great Wall GW4N20 have a timing belt or chain?
The Great Wall GW4N20 uses a timing chain.
Is the Great Wall GW4N20 turbocharged?
Yes, the Great Wall GW4N20 is turbocharged.
Does the Great Wall GW4N20 need valve clearance adjustment?
No, the Great Wall GW4N20 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GW4N20 last?
The typical lifespan of the Great Wall GW4N20 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4N20?
Haval Dargo 2022: city 10.9, highway 6.7, combined 8.3 L/100 km.
What cars was the Great Wall GW4N20 installed on?
Haval Big Dog I since 2020, Big Dog II since 2023; Haval Dargo I since 2022; Haval H6 III since 2020.
What are the common problems of the Great Wall GW4N20?
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. All known problems.
