AVOID Early Turbo

EP6/THP (Prince)

PSA · 1.6L Turbo I4

2006–2018

0 / 100
AVOID

"BMW/PSA joint engine. Timing chain stretch, carbon buildup. 308 GTi/RCZ power but fragile."

Layout I4
Displacement 1598 cc
Power 120–270 hp
Type Petrol Turbo
Known Issues 2
Total Risk Cost €1,200–€2,800

Mileage Risk Timeline

When problems typically appear — enter your mileage to see your risk zone

km

Known Issues 2

▲ HIGH

Timing chain stretch (BMW-PSA joint engine)

€800–€2,000 60,000 km–120,000 km
View details ▸
Detection

Cold start rattle, timing issues

Details

EP6/THP chain stretches. Worse in earlier production. BMW N13 is same engine with similar issues.

Greece Note

Any EP6 purchase: verify chain status. Common repair at French brand Greek workshops.

● MODERATE

Carbon buildup on intake valves

€400–€800 50,000 km–100,000 km
View details ▸
Detection

Rough idle, hesitation, cold start misfires

Details

Direct injection = carbon. Worse than modern dual-injection engines.

Greece Note

Walnut blast at 60k km. Well-known at Peugeot/Citroën workshops in Greece.

⚡

This report covers the combustion engine only. Battery and electric motor reliability are not included.

Models with EP6/THP (Prince) 82

Peugeot 407 2.2 16V
2004–2009 3FZ 160 hp petrol
Peugeot 407 1.8 16V
2004–2011 6FZ 116 hp petrol
Citroën C3 1.6 VTi
2010–2016 EP6 120 hp petrol
Peugeot Partner 1.6 VTi
2008–2018 EP6 (5FS) 120 hp petrol
Peugeot 3008 1.6 VTi
2009–2016 EP6 (5FS) 120 hp petrol
Peugeot 308 1.6 VTi
2008–2013 EP6 (5FS) 120 hp petrol
Peugeot 5008 1.6 VTi
2010–2017 EP6 (5FS) 120 hp petrol
Peugeot 207 1.6 VTi
2006–2012 EP6 (5FS/5FW) 120 hp petrol
Peugeot 2008 1.6 VTi
2013–2015 EP6 (NFP) 120 hp petrol
Peugeot 208 1.6 VTi
2012–2015 EP6 (NFP) 120 hp petrol
Peugeot 508 1.6 Hybrid 225
2019–present EP6+motor 225 hp phev
Peugeot 5008 1.6 Hybrid 300
2020–2024 EP6+motor 300 hp phev
Peugeot 508 1.6 Hybrid 360 PSE
2021–present EP6+motor 360 hp phev
Peugeot 3008 1.6 Hybrid 230
2024–present EP6+motor 230 hp phev
Peugeot 5008 1.6 Hybrid 225
2020–2024 EP6+motor 225 hp phev
Peugeot 3008 1.6 Hybrid 195
2024–present EP6+motor 195 hp phev
Peugeot 207 1.6 VTi
2006–2012 EP6/5FS 120 hp petrol
Peugeot 308 1.6 VTi
2007–2013 EP6/EP6C 120 hp petrol
Peugeot 508 1.6 VTi
2011–2014 EP6C (5FS) 120 hp petrol
Peugeot 308 1.6 THP GTi
2010–2013 EP6CDT 200 hp petrol
Peugeot 3008 1.6 THP
2013–2016 EP6CDT (5FV) 156 hp petrol
Peugeot RCZ 1.6 THP
2010–2015 EP6CDT (5FV) 200 hp petrol
Peugeot 208 1.6 THP
2012–2015 EP6CDT/5GX 165 hp petrol
Peugeot 308 1.6 THP
2011–2013 EP6CDTM 200 hp petrol
Peugeot 208 1.6 THP GTi Peugeot Sport
2015–2019 EP6CDTX 208 hp petrol
Peugeot 308 1.6 THP GTi
2015–2020 EP6CDTX 270 hp petrol
DS DS3 1.6 THP
2014–2019 EP6CDTX 165 hp petrol
Peugeot 308 1.6 THP GTi
2015–2018 EP6CDTX 250 hp petrol
DS DS3 1.6 THP Performance
2016–2019 EP6CDTX 208 hp petrol
Peugeot 208 1.6 THP GTi
2013–2019 EP6CDTX 200 hp petrol
Peugeot RCZ 1.6 THP R
2013–2015 EP6CDTX 270 hp petrol
Peugeot 208 1.6 THP GTi
2013–2019 EP6CDTX/5G04 208 hp petrol
Peugeot 5008 1.6 THP
2010–2017 EP6DT (5FT) 156 hp petrol
Peugeot 508 1.6 THP
2011–2018 EP6DT (5FT) 156 hp petrol
Peugeot 3008 1.6 THP
2009–2016 EP6DT (5FT) 150 hp petrol
Peugeot 308 1.6 THP
2008–2013 EP6DT (5FT/5FX) 150 hp petrol
Peugeot RCZ 1.6 THP
2010–2013 EP6DT (5FX) 156 hp petrol
Peugeot 207 1.6 THP
2006–2012 EP6DT (5FX/5FT) 150 hp petrol
Peugeot 208 1.6 THP
2012–2015 EP6DT (5GX) 156 hp petrol
Peugeot 207 1.6 THP
2006–2012 EP6DT/5FX 150 hp petrol
Peugeot 308 1.6 THP
2007–2013 EP6DT/EP6CDT 150 hp petrol
Peugeot 207 1.6 THP RC
2009–2012 EP6DTS 200 hp petrol
Peugeot 308 1.6 THP
2010–2013 EP6DTS (5FY) 175 hp petrol
Peugeot 207 1.6 THP RC/GTI
2007–2012 EP6DTS (5FY) 175 hp petrol
Peugeot 207 1.6 THP GTi
2006–2012 EP6DTS/5FY 175 hp petrol
DS DS7 1.6 PureTech
2017–present EP6FADTM 180 hp petrol
Citroën C5 Aircross 1.6 PureTech
2019–present EP6FADTM 180 hp petrol
Peugeot 5008 1.6 PureTech 180
2017–2024 EP6FADTM 180 hp petrol
DS DS4 1.6 PureTech
2021–present EP6FADTM 180 hp petrol
Peugeot 3008 1.6 PureTech 180
2017–2024 EP6FADTM 180 hp petrol
Peugeot 5008 1.6 PureTech
2017–2024 EP6FADTM 180 hp petrol
Peugeot 508 1.6 PureTech
2018–present EP6FADTM 180 hp petrol
Peugeot 3008 1.6 PureTech
2017–2024 EP6FADTM 180 hp petrol
Peugeot 508 1.6 PureTech 180
2018–present EP6FADTM (5G06) 180 hp petrol
DS DS9 1.6 PureTech
2021–present EP6FADTX 225 hp petrol
Peugeot 508 1.6 PureTech
2019–present EP6FADTX 225 hp petrol
Peugeot 308 1.6 Hybrid 180
2022–present EP6FADTX+motor 180 hp phev
Peugeot 308 1.6 Hybrid
2021–present EP6FADTX+motor 180 hp phev
Peugeot 3008 1.6 Hybrid
2020–2024 EP6FADTX+motor 225 hp phev
DS DS9 1.6 PureTech Hybrid
2020–present EP6FADTX+motor 225 hp phev
Peugeot 508 1.6 Hybrid
2019–present EP6FADTX+motor 225 hp phev
Peugeot 5008 1.6 Hybrid
2020–2024 EP6FADTX+motor 225 hp phev
DS DS7 1.6 PureTech Hybrid
2019–present EP6FADTX+motor 225 hp phev
DS DS4 1.6 PureTech Hybrid
2021–present EP6FADTX+motor 225 hp phev
Citroën C5 X 1.6 PureTech Hybrid
2022–present EP6FADTX+motor 225 hp phev
Citroën C5 Aircross 1.6 Hybrid
2020–present EP6FADTX+motor 225 hp phev
Peugeot 308 1.6 Hybrid
2021–present EP6FADTX+motor 225 hp phev
Peugeot 508 1.6 Hybrid4 PSE
2021–present EP6FADTX+motors 360 hp phev
DS DS7 1.6 PureTech Hybrid4
2022–present EP6FADTX+motors 360 hp phev
Peugeot 3008 1.6 Hybrid4
2020–2024 EP6FADTX+motors 300 hp phev
DS DS7 1.6 PureTech Hybrid4
2019–present EP6FADTX+motors 300 hp phev
DS DS9 1.6 PureTech Hybrid4
2020–present EP6FADTX+motors 360 hp phev
Peugeot 508 1.6 PureTech 225
2018–2022 EP6FADTXS (5G06) 225 hp petrol
Peugeot 3008 1.6 Hybrid 225
2020–2024 EP6FADTXS+motor 225 hp phev
Peugeot 3008 1.6 Hybrid 300
2020–2024 EP6FADTXS+motor 300 hp phev
Peugeot 308 1.6 Hybrid 225
2022–present EP6FADTXS+motor 225 hp phev
Peugeot 308 1.6 THP
2013–2018 EP6FDT (5GZ) 125 hp petrol
Citroën C4 1.6 THP
2015–2018 EP6FDTM 165 hp petrol
Peugeot 508 1.6 THP
2014–2018 EP6FDTM (5G04) 165 hp petrol
Peugeot 308 1.6 THP
2013–2018 EP6FDTM (5G04) 165 hp petrol
Peugeot 308 1.6 THP
2015–2017 EP6FDTM/5G06 205 hp petrol
Peugeot 308 1.6 THP GTi
2015–2017 EP6FDTX 270 hp petrol

Other PSA Engines

BUY 78

DW10 2.0 HDi/BlueHDi

2.0L Diesel I4

View details → Compare: EP6/THP (Prince) vs DW10 2.0 HDi/BlueHDi
BUY 78

TU5 1.6

TU5JP4 1.6 16V (NFU/NFZ)

View details → Compare: EP6/THP (Prince) vs TU5 1.6
ACCEPTABLE 76

TU3 1.4

TU3JP 1.4 8V (KFW/KFX/KFV)

View details → Compare: EP6/THP (Prince) vs TU3 1.4
ACCEPTABLE 74

BlueHDi 1.5 (DV5)

1.5L Diesel I4

View details → Compare: EP6/THP (Prince) vs BlueHDi 1.5 (DV5)
ACCEPTABLE 74

XU10 2.0

XU10 2.0 (RFX/RFS)

View details → Compare: EP6/THP (Prince) vs XU10 2.0
ACCEPTABLE 72

PureTech 1.2T (post-2023)

1.2L Turbo I3

View details → Compare: EP6/THP (Prince) vs PureTech 1.2T (post-2023)

Tuning Potential

Stage 1 easy but chain risk

Frequently Asked Questions

Is the PSA EP6/THP (Prince) reliable?

The PSA EP6/THP (Prince) scores 45/100 with a verdict of AVOID. It has 2 documented issues with total repair costs between €1,200 and €2,800.

What are the common problems with the EP6/THP (Prince)?

The most common issues are:

  • Timing chain stretch (BMW-PSA joint engine) — high, repair cost €800–€2,000, 60,000 km–120,000 km
  • Carbon buildup on intake valves — moderate, repair cost €400–€800, 50,000 km–100,000 km
What cars use the PSA EP6/THP (Prince)?

The EP6/THP (Prince) is found in:

  • 407 (2004–2009)
  • 407 (2004–2011)
  • C3 (2010–2016)
  • Partner (2008–2018)
  • 3008 (2009–2016)
  • 308 (2008–2013)
  • 5008 (2010–2017)
  • 207 (2006–2012)
  • 2008 (2013–2015)
  • 208 (2012–2015)
How much does it cost to repair the EP6/THP (Prince)?

Total potential repair costs for all 2 known issues range from €1,200 to €2,800. The most expensive issue is typically .

What years was the EP6/THP (Prince) produced?

The PSA EP6/THP (Prince) was produced from 2006 to 2018. It is a 1598cc I4 petrol turbo engine.

Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.

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