407
1 generation · Select a generation to see engines
Which Peugeot 407 engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Peugeot 407 engine is the most reliable?
1.8 / 2.0 petrol (EW) — Maint. Sensitive verdict. The EW petrols — the 1.8 is rock-solid but uninspiring; the 2.0 gives the best balance. Both share the typical French-petrol niggles: ignition coil failures, catalytic-converter issues and occasional engine-control faults. Belt-driven (change ~90–100k miles). Dependable with attention.
Which Peugeot 407 engines should you avoid?
Engines with the weakest reliability verdicts: 2.7 HDi V6 (DT17), 1.6 HDi (DV6).
What are the most common Peugeot 407 problems?
The most commonly reported problems across all Peugeot 407 generations and engines: DPF system faults, Turbo oil starvation (narrow feed), Complex EGR faults, Ignition coil / cat / ECU niggles, Timing belt service.