From 2017 to 2022, the 1.6-liter Peugeot EP6FADTX engine was manufactured at the Duvrin facility and fitted with an 8-speed ATN8 automatic transmission on models like the 308, 508, DS7, and DS9. Such a unit was available in two versions: 5GC for DS vehicles and 5GG for Peugeot vehicles.
The Prince family’s fourth generation: EP6FADTX, EP6FADTXD, and EP6FADTR.
Specifications
| Production years | 2017-2022 |
| Displacement, cc | 1598 |
| Fuel system | direct injection |
| Power output, hp | 225 |
| Torque output, Nm | 300 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 77 |
| Piston stroke, mm | 85.8 |
| Compression ratio | 10.2 |
| Features | Valvetronic |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | yes |
| Turbocharging | BorgWarner K03 |
| Recommended engine oil | 0W-30 |
| Engine oil capacity, liter | 4.25 |
| Fuel type | petrol |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Peugeot 508 2020) — city — highway — combined |
7.6 4.6 5.6 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 138 |
The engine was installed on:
- DS DS7 I (X74) in 2017 – 2021;
- DS DS9 I (X83) in 2020 – 2022;
- Peugeot 308 II (T9) in 2017 – 2019;
- Peugeot 508 II (R8) in 2018 – 2021.
Disadvantages of the EP6FADTX engine
Only the replacement of the fuel pump and wiring harness under warranty is the subject of complaints on specialized forums.
The chain can extend up to 100,000 kilometers because of the Start-Stop system’s aggressive operation.
Here, there is only direct fuel injection, and soot rapidly covers the intake valves.
Firmware is used to address other engine issues that are associated with electrical malfunctions.