2012 Audi A6 3.0L Diesel · N50 NAT

The most recent MOT test on the 2012 Audi A6, conducted on 2026-07-21, resulted in a clean pass with no recorded defects, marking a positive turnaround following a failure just over a year prior. While the vehicle’s MOT history shows a pattern of recurring advisories—particularly the persistent oil leak and wheel bearing noise—there is no evidence of worsening structural or safety-related failures in the last two tests. The absence of major defects in the latest inspection suggests that while the car may require some routine maintenance to address the ongoing advisories, it currently meets roadworthiness standards without immediate critical issues. However, the history of oil leaks and wheel bearing noise indicates that these are not transient problems but rather signs of underlying wear that demand proactive attention to prevent escalation into more costly repairs. The recorded mileage of 115,942 miles for a vehicle aged approximately 14 years represents a moderate annual usage rate of around 8,282 miles, which is typical for its age and class. This level of mileage does not inherently indicate excessive wear beyond what is expected from normal operation, but it does reflect a consistent driving pattern without significant long-term idling or low-mileage standing periods. The absence of dramatic mileage spikes suggests that the vehicle has been driven regularly, which can help mitigate some wear and tear. However, the combination of this mileage with the recurring advisories—particularly the oil leak—signifies that the engine and drivetrain components may be approaching or exceeding their serviceable lifespan, warranting closer inspection of fluid consumption and lubrication integrity. To proceed with a purchase, the prospective buyer should conduct a thorough mechanical inspection to confirm the absence of the previously noted defects and assess their severity. Focus on the oil leak by checking for signs of contamination under the engine bay, particularly around the valve cover gasket, oil filter housing, or oil pan gasket. Listen for the wheel bearing noise during a test drive, particularly when cornering or accelerating, as this may indicate bearing failure or excessive play. The test drive should also include observation of the vehicle’s handling for any unusual clunking or vibration, which could correlate with suspension or drivetrain component wear. Additionally, verify the exhaust system’s structural integrity by ensuring the broken clamp from the 2025 failure has been repaired and that the silencer remains securely fastened, as a loose or damaged exhaust can lead to emissions issues and safety hazards. For a vehicle of this age and mileage, the buyer should also prioritise checks for tyre condition, as the 2025 failure highlighted offside rear tyre wear below the legal minimum. Inspect the tyres for sidewall cracking or perishing, which can occur from prolonged exposure to UV light and age-related degradation, even if the tread depth is adequate. Check the 12-volt battery for signs of corrosion on terminals and test its charge capacity, as standing vehicles can suffer from battery degradation or parasitic drain. Examine the brake system for signs of corrosion on discs or calipers, particularly if the car has been stationary for extended periods, as this can lead to binding or reduced braking performance. Finally, consider the calendar-based service history of the vehicle, including fluid changes such as engine oil, coolant, and brake fluid, which should have been conducted within the recommended intervals to prevent sludge formation or degradation of hydraulic systems. If service records are unavailable, the buyer should arrange a professional fluid analysis to assess their condition and recommend any necessary servicing.