The 2.0-liter turbo engine Great Wall GWE20NA has been produced at Hycet plants since 2023 for hybrid versions of the Tank 300, 400 and 500 SUVs. It works on the Miller cycle and produces 245-252 hp; the version for plug-in hybrids is called E20NB.
GWM Hycet family: E15BD, GWE20NA, GWE20NB.
Specifications
| Production years | since 2023 |
| Displacement, cc | 1998 |
| Fuel system | direct injection |
| Power output, hp | 245 – 252 |
| Torque output, Nm | 380 – 385 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82.0 |
| Piston stroke, mm | 94.6 |
| Compression ratio | 11.0 |
| Features | Miller Cycle |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | yes |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 5.9 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Tank 400 2025) — city — highway — combined |
11.9 9.2 10.2 |
| Engine lifespan, km | ~300 000 |
The engine was installed on:
- Tank 300 I (P01) since 2023;
- Tank 400 I (P02) since 2023;
- Tank 500 I (P03) in 2023 – 2024.
Disadvantages of the Great Wall GWE20NA engine
- The engine is new, so there is no clear information about its failures yet; Chinese owners mostly mention electrical glitches;
- Like all direct-injection engines, it suffers from carbon deposits on the intake valves;
- Keep the radiator clean: aluminum engines do not tolerate overheating;
- Outside China, service experience, spare parts and used engines are scarce.
Frequently asked questions about the Great Wall GWE20NA
How much power does the Great Wall GWE20NA make?
The Great Wall GWE20NA develops 245 - 252 hp and 380 - 385 Nm of torque.
How much oil does the Great Wall GWE20NA take and which one?
Engine oil capacity: 5.9 liters. Recommended oil: 0W-20.
Does the Great Wall GWE20NA have a timing belt or chain?
The Great Wall GWE20NA uses a timing chain.
Is the Great Wall GWE20NA turbocharged?
Yes, the Great Wall GWE20NA is turbocharged.
Does the Great Wall GWE20NA need valve clearance adjustment?
No, the Great Wall GWE20NA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GWE20NA last?
The typical lifespan of the Great Wall GWE20NA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GWE20NA?
Tank 400 2025: city 11.9, highway 9.2, combined 10.2 L/100 km.
What cars was the Great Wall GWE20NA installed on?
Tank 300 I (P01) since 2023; Tank 400 I (P02) since 2023; Tank 500 I (P03) in 2023 - 2024.
What are the common problems of the Great Wall GWE20NA?
The engine is new, so there is no clear information about its failures yet; Chinese owners mostly mention electrical glitches. Like all direct-injection engines, it suffers from carbon deposits on the intake valves. All known problems.





