2015 Audi A6 3.0L Diesel · OY64 KCG

The vehicle is currently roadworthy but the maintenance history indicates a worsening trend regarding suspension components and fluid leaks. The most recent test in January 2026 at 138,757 miles resulted in an initial failure due to a faulty direction indicator, alongside pre-existing suspension issues. While the car passed after the bulb replacement, the recurring presence of worn front lower suspension arm bushes and misting rear shock absorbers suggests that the undercarriage is reaching the end of its service life. At 138,757 miles over eleven years, this Audi A6 has averaged approximately 12,600 miles per year. This sits above the national average and suggests consistent motorway use which accelerates wear on mechanical components. The record shows steady mileage accumulation, with nearly 8,000 miles covered between February 2024 and February 2025, and another 8,000 miles leading into the January 2026 test. This high usage pattern explains the degradation of consumable items like brake pads and rubber suspension components noted in the advisories. A buyer must focus their physical inspection on the front suspension geometry, as the lower arm bushes were flagged for wear in both 2024 and 2026. The reported misting of oil on the rear shock absorbers indicates failing seals that will eventually require replacement to prevent loss of damping effectiveness. Furthermore, the 2024 report of an empty coolant header tank and a front fluid leak necessitates a thorough pressure test of the cooling system to ensure there is no underlying head gasket or water pump issue, as the high mileage also demands a close check of the drivetrain seals and turbo for signs of oil leaks.