2020 Audi S4 Black Edition TDI Quattro A 3.0L Diesel · DP69 LFB

The vehicle presents a mixed mechanical picture. The most recent MOT, conducted on 18 November 2025 at 75,906 miles, passed, but the preceding test on 17 November 2025 at 75,905 miles failed with multiple tyre and brake advisories. The fact that the car failed one day and passed the next suggests the previous owner addressed the immediate failures, likely replacing all four tyres and addressing the worn brake pads. However, the recurrence of thin brake pads across all four corners in both the failed and passed tests indicates a pattern of deferred maintenance rather than a one-off event. The maintenance trend is currently stable but only after a reactive fix, not a proactive service regime. The mileage accumulation tells a clear story of a high-use vehicle. Between the clean test on 9 November 2023 at 35,346 miles and the failed test on 17 November 2025 at 75,905 miles, the car covered 40,559 miles in just over two years, averaging over 20,000 miles annually. This is exceptionally high for a performance estate. The rapid accumulation between 2023 and 2025, following a period of lower use between 2020 and 2023, suggests the car transitioned from light use to heavy daily commuting or long-distance driving. The 20,000-mile annual pace places significant stress on consumables, drivetrain mounts, and suspension components well beyond the norm for a six-year-old vehicle. A buyer must inspect the tyres and braking system with extreme care. The November 2025 failure flagged a cut deep enough to reach the ply or cords on the offside front inner tyre, a serious structural compromise. While these tyres were presumably replaced for the retest, the underlying cause, such as aggressive kerbing, incorrect tracking, or damaged wheel rims, requires verification. The repeated advisories for thin brake pads on all four corners across consecutive tests point to either aggressive driving habits or a lack of routine inspection. A thorough check of the brake disc condition, caliper slide pins, and handbrake mechanism is essential, as uneven wear often signals a binding caliper. Beyond the immediate test items, the high mileage demands a close inspection of the suspension and drivetrain. At 75,906 miles, the front lower arm bushes, anti-roll bar links, and rear trailing arm bushes are likely showing fatigue. The Quattro system's haldex service history and the condition of the DSG gearbox, including its last fluid change, are critical unknowns. A pre-purchase inspection should focus on any knocking from the front suspension over rough surfaces, uneven tyre wear patterns indicating alignment drift, and any exhaust smoke under load that could point to turbocharger or EGR valve issues common in high-mileage TDI engines.