2015 Audi A6 S Line TDI Ultra S-A 2.0L Diesel · SS56 AHS

The vehicle presents a stable roadworthiness status, evidenced by a consistent history of clean MOT passes. The most recent inspection on 25 September 2025 at 164,605 miles resulted in no defects or advisories. This continuity suggests that the previous owners have maintained the vehicle to a standard that meets minimum DVSA safety requirements without recurring mechanical or structural failures appearing in the last three testing cycles. The mileage profile indicates high-intensity usage for an eleven-year-old vehicle, averaging approximately 15,000 miles per annum. There is a significant surge in usage between the June 2022 test at 93,276 miles and the September 2023 test at 114,547 miles, representing over 21,000 miles driven in just fifteen months. The rate of accumulation remained high thereafter, with 50,058 miles recorded between September 2023 and September 2025. This consistent high-mile pattern places considerable strain on the drivetrain and suspension components, meaning the buyer should focus on areas typically prone to high-mileage wear. While the MOT record is clean, the high mileage necessitates a thorough physical inspection of the Audi-specific suspension geometry. A buyer should check for signs of worn control arm bushes and leaking shock absorbers, which often degrade after 150,000 miles. Given the distance covered, the brake system should be evaluated for thin discs or seized caliper pistons, as the MOT only tests for basic efficiency rather than overall component health. The engine bay should be inspected for any signs of oil leaks or turbocharger wear, as these are common points of failure on TDI engines subjected to heavy annual mileage.