2005 Audi A6 3.0L Diesel · NJ55 NUO

The vehicle presents a concerning roadworthiness profile characterized by a clear trend of reactive rather than proactive maintenance. While the most recent MOT recorded in November 2021 at 235,899 miles passed, the record noted a persistent oil leak and an obstruction caused by a fitted child seat. This follows a significant failure in October 2020 where the car failed multiple critical points including bald tyres, worn suspension bushes, and lighting defects. The lack of any MOT records since late 2021 suggests the vehicle has been unverified for nearly five years, leaving the current mechanical state unknown. The mileage data reveals a major discrepancy in usage history. An entry from September 2018 recorded 322,751 miles, which is significantly higher than the 235,899 miles reported in the 2021 test. This indicates either an odometer rollback or a clerical error during the previous inspection. Between 2019 and 2021, the car covered approximately 18,500 miles, which aligns with typical annual usage patterns. However, the five-year gap in testing suggests the vehicle may have sat stationary or been unmaintained for long periods, which often leads to perished rubber seals and seized brake calipers. A buyer must prioritize a thorough physical inspection of the suspension and braking systems. The 2020 failure highlighted excessively worn upper suspension arm bushes and dangerously thin brake pads, suggesting the front-end geometry is prone to rapid wear. The recurring oil leak noted in both 2020 and 2021 requires a professional assessment to distinguish between a minor gasket leak and a catastrophic seal failure. Given the high mileage and the age of the A6, checking for structural corrosion on the subframe and exhaust system is essential, as these are common failure points for this model that are not always captured in basic MOT advisories.