2008 Audi A6 2.0L Diesel · HD08 MSY

A pattern of recurring oil‑system leaks and front suspension wear dominates this 2008 Audi A6’s MOT history, with the most recent 2024‑01‑23 test showing a clean pass but earlier years revealing multiple advisories and a handful of failures that required corrective work. The oil‑leak advisory appears in 2021, 2023 and again in 2024, while front upper suspension arm bush wear was flagged in the 2023 test and anti‑roll‑bar linkage wear surfaced in 2021. Brake‑related concerns – thin rear pads, worn front discs and a parking‑brake inefficiency – caused a failure in early 2023, yet the vehicle was subsequently cleared a few days later, suggesting the issues were addressed to the examiner’s satisfaction. At 106,441 mi the car averages just under 6,000 mi per year, a mileage level that is low for an eighteen‑year‑old model. Such modest annual use can reduce cumulative wear on drivetrain and engine components, but it also raises the possibility of prolonged idle periods that accelerate rubber and seal degradation. The MOT record shows regular annual testing with no long gaps, indicating the vehicle has been kept on the road and subjected to periodic inspections, which is a positive sign for overall roadworthiness despite the low mileage. When inspecting the car, pay particular attention to any oil residue on the engine bay floor or under the vehicle, and verify that the oil level remains stable between fill‑ups – a persistent leak could indicate a failing gasket or oil filter housing that may re‑appear after the next service. Test the front suspension by listening for clunking or creaking noises when driving over speed bumps or uneven surfaces, and feel for any looseness or wandering in the steering; worn upper arm bushes often manifest as a vague knock that intensifies under cornering loads. Examine the rear brake pads for excessive wear by checking pad thickness through the wheel spokes and listening for high‑pitched squeal under moderate braking, while also feeling for any pedal pulsation that could point to the previously noted disc scoring. Finally, verify the parking brake’s holding power by applying it on a gentle incline and ensuring the vehicle remains stationary without excessive pedal effort, as the 2023 failure indicated a functional deficiency. Check the headlamp aim by observing the illumination pattern on a flat surface; an incorrectly aimed beam can reduce night‑time visibility and may require realignment. While the MOT record shows the car cleared these items after remedial work, a thorough test drive that confirms stable braking, quiet suspension operation and absence of oil leaks will provide the most reliable indication of whether the earlier defects have been fully resolved.