2006 Audi A8 4.2L Diesel · RJ56 ADZ

The vehicle shows signs of inconsistent maintenance and a worsening trend regarding minor mechanical defects. The most recent test on 15 March 2025 at 286,424 miles resulted in a pass, but only after an initial failure for an exhaust gas leak, a worn nearside rear tyre, and insufficient washer fluid. While the vehicle is currently roadworthy, the recurrence of exhaust leaks and tyre wear suggests a reactive rather than proactive approach to servicing. A significant mileage surge occurred between 4 March 2024 and 15 March 2025, where the odometer climbed from 177,901 to 286,424 miles. This represents an accumulation of over 108,000 miles in a single year, which is exceptionally high for this vehicle. This rapid usage explains the increased wear on consumables and suggests the car has been subjected to heavy, sustained driving in the last twelve months. Previous records from November 2022 show a much lower mileage of 175,558, indicating a massive change in usage patterns. A prospective buyer must conduct a thorough physical inspection of the exhaust system and the drivetrain. The MOT history shows a persistent exhaust gas leak dating back to the November 2022 test, which reappeared in March 2025. This indicates the issue may not have been fully resolved or that the component is failing repeatedly. The November 2022 failure also highlighted a severely deteriorated nearside front inner drive shaft CV boot and an oil leak. While these were noted during that period, the high mileage since then necessitates a close check for grease leakage, boot splits, or further oil seepage from the engine or gearbox. The suspension and tyre management also require scrutiny. The November 2022 test flagged excessively worn upper suspension arm bushes on both the nearside and offside fronts. Given the extreme mileage covered since then, the integrity of all suspension bushes, ball joints, and coil springs should be verified. The recurring advisories for tyres worn on the edges suggest potential alignment issues or uneven tyre wear patterns that could indicate worn steering or suspension components.