2005 Peugeot 407 2.0L Diesel · LC55 ASV

The defining mechanical story of this Peugeot 407 is one of largely stable roadworthiness punctuated by minor electrical and lighting defects rather than any chronic structural or wear-related deterioration. The most recent test on 22 June 2026 was ultimately passed with no advisories, but only after a same-day failure for both rear stop lamps not functioning, a straightforward electrical issue that was evidently rectified between the failure and pass entries. Prior to that, the 2025 test cycle showed a similar minor pattern: an insecure horn control noted as a minor defect on the pass certificate, which had previously caused a failure alongside an insufficient windscreen washer fluid supply. The 2024 test was a clean pass with no defects recorded at all. Across the three-year window visible in the records, there are no advisories relating to corrosion, suspension components, brake pipes, exhaust integrity, steering, or any of the areas that typically signal advancing wear on a vehicle of this age, indicating that the recorded MOT performance has been stable and trending positively. With 91,175 miles accumulated over approximately 21 years, this 407 is averaging around 4,342 miles annually, which is notably low for its age and suggests either significant periods of inactivity or genuinely light usage. Such a low accumulation rate can be a mixed mechanical signal; while it means the engine, gearbox, and drivetrain have covered fewer miles than typical and therefore may have less internal wear on rotating components, it also raises the possibility of extended standing periods where rubber seals, drive belts, brake calipers, and fluid systems can degrade through lack of use rather than mileage. The fact that the 2024 test was the first one recorded in this dataset and there are no gaps suggesting long-term off-road status is reassuring, but the relatively low mileage still warrants attention to age-related deterioration in items not strictly tied to odometer readings. For a prospective buyer, the immediate priority on inspection should be confirming that the rear lighting circuit is fully functional, as the dual stop lamp failure on the most recent test suggests either a corroded multi-plug at the rear lamp cluster, a failing brake light switch, or a shared earth fault rather than two coincidental bulb failures. It would be worth checking that all rear lamps illuminate correctly, that the high-level stop lamp functions, and that the brake pedal switch responds promptly without needing excessive travel. The 2025 advisory regarding an insecure horn control is minor and likely relates to a loose steering wheel pad or clock-spring connection, so verify that the horn operates reliably from the steering wheel boss without needing to press an unusual location. The washer fluid issue is trivial and only requires confirmation that the reservoir is topped up and the pump and nozzles are clear. Given the low annual mileage, particular attention during the test drive should focus on components that suffer from standing rather than wear. Listen for any binding or scraping from the front brake calipers, particularly after the first few applications from standstill, as seized caliper slides are common on lightly used vehicles. Check for any knocking or clonking from the front MacPherson struts and lower wishbone bushes over speed bumps and uneven surfaces, as the 407 is known for worn front suspension geometry at this age. Inspect the underside for any oil misting from the engine and gearbox seams, examine the coolant and power steering hoses for any perishing or weeping, and verify that the air conditioning system functions, as prolonged inactivity often leads to compressor seizure. Finally, confirm that the timing belt and water pump replacement history is documented, as these are service items rather than MOT failures but are critical on a 2.0 or 2.2 HDi of this era.