2005 Audi A6 2.5L Diesel · SH05 BNL

The vehicle presents a concerning roadworthiness profile characterized by a clear pattern of reactive rather than proactive maintenance. While the most recent MOT test in September 2025 at 176,979 miles was a pass, it followed a significant failure involving four worn tyres and a wheel bearing. The trend indicates that mechanical issues are only addressed once they reach the point of failure. The persistence of worn rear suspension bushes and pitted brake discs across multiple years suggests that basic preventative maintenance was frequently deferred by the previous owner. At 176,979 miles, this 21-year-old Audi has aged at a consistent rate of approximately 8,400 miles per year, which is typical for a vehicle of this era. Between September 2023 and September 2025, the car covered 10,035 miles, showing steady usage. However, the low annual mileage does not offset the age-related degradation of components, particularly regarding the recurring structural and suspension-related advisories that have have been noted over the last three testing cycles. A buyer must prioritise a thorough inspection of the front lower sub-frame, which has been flagged as corroded since 2023. Although the tester noted structural rigidity was not yet significantly reduced, corrosion on chassis components often accelerates over time. Specific attention should also be paid to the nearside front brake pipes, which were flagged for excessive corrosion in 2024, to ensure the repairs made were effective and not further degradation remains. The suspension geometry requires close scrutiny as the lower and upper rear arm bushes have been noted as worn for at least three consecutive years. The 2025 failure for an offside front wheel bearing with excessive play indicates that components are reaching the end of their service life. Given the history of parking brake efficiency issues and worn brake discs, a comprehensive brake system test is essential to ensure the vehicle is safe for immediate use.