Peugeot 408 E3
Weaknesses, engine ratings and buying advice
Engine Overview
The Peugeot 408 E3 is available with one engine variant at 100 hp. 1 variants had engine changes — the model year is crucial.
The Peugeot 1.6L Turbo PHEV (Petrol Plug-in-Hybrid, 180–225 PS) comes with 2 different engines: EP6-PHEV (2022–2026, Be Careful) and EP6-PHEV (2022–2026, Be Careful). Pay attention to the model year for the 1.6L Turbo PHEV!
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Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Infotainment and digital cockpit fail completely The digital instrument cluster and touchscreen on the new 408 generation can suddenly go black, disabling all functions — speedometer, fuel gauge, climate control. Software faults can usually only be resolved by a restart. Symptoms: Black display, speedometer and fuel gauge invisible, climate control inoperable, system reboots itself, navigation crashes | Low | |
| Navigation inaccurate GPS position and sensor malfunctions The navigation system on the 408 E3 sometimes shows significantly wrong GPS positions (up to 30 km off) or permanently displays 'no connection'. Traffic sign recognition frequently returns wrong values. Peugeot app connection fails. Symptoms: Navigation shows wrong position, GPS cannot find signal, speed limit warning shows wrong values, MyPeugeot app will not connect | Low |
Alternatives
Cupra Leon KL-FL
Compact (2024–2026)
Cupra Born I-FL
Compact (2024–2026)
Hyundai i30 PD-FL3
Compact (2024–2026)
MINI MINI F66
Compact (2024–2028)
MINI MINI Countryman U25
Compact (2024–2028)
MINI MINI Aceman J05
Compact (2024–2028)
Known Problems and Issues
A total of 17 weaknesses have been documented for the Peugeot 408 E3 (2022–2026) — 12 engine-related and 5 vehicle-related. Typical issues affect Electronics, Gearbox, Suspension, HVAC.
408 (EB2ADTS, 2022–2026) — Be Careful: Oil consumption from coked piston rings, Wet belt debris blocks oil strainer (older EB2 variants), Weak crankshaft thrust washers. Power: 130–135 PS.
408 (EP6-PHEV, 2022–2026) — Be Careful: On-board charger and traction battery series defect, Battery cell fault P1A4B25 — complete battery replacement, e-EAT8 gearbox — PSA inspection campaign 2020. Power: 149–150 PS.
408 (EP6-PHEV, 2022–2026) — Be Careful: On-board charger and traction battery series defect, Battery cell fault P1A4B25 — complete battery replacement, e-EAT8 gearbox — PSA inspection campaign 2020. Power: 179 PS.
What to watch out for with the Peugeot 408? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Peugeot 408 E3 have? +
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Last updated: February 2026 · All information without guarantee