2012 Audi A5 3.0L Diesel · M50 MAD

The most recent MOT inspection on 5 May 2026 resulted in a pass, but the vehicle failed earlier that same day due to a major defect regarding a cut in the offside rear tyre that exposed the cords. While the vehicle is currently legal, the recent history indicates a worsening maintenance trend rather than a stable one. The progression from suspension bush advisories in 2024 and 2025 to a failed shock absorber in 2025, followed by recent tyre damage and a coolant leak advisory in 2026, suggests that components are reaching the end of their service life simultaneously. The presence of a coolant leak advisory is particularly concerning as it indicates a potential ongoing issue with the cooling system that could lead to overheating if left unaddressed. With 120,205 miles recorded over approximately 14 years, the vehicle has averaged roughly 8,586 miles per year. This is considered typical, moderate usage for an Audi of this age, suggesting the car has not been subjected to extreme high-mileage motorway commuting nor has it been left to stand for excessively long periods. However, at this mileage, the vehicle is entering a phase where major wear-and-tear components such as the timing belt, water pump, and various rubber seals and bushings are expected to require attention. The moderate mileage means that while the drivetrain may be relatively sound, the mechanical components subject to friction and environmental degradation are likely nearing their replacement intervals. During your test drive, you must pay close attention to the steering and suspension response. The repeated advisories regarding the front upper suspension arm bushes suggest that while they were not failing in 2025, the structural integrity of these rubber components is degrading. Listen for any knocking, clunking, or creaking sounds when driving over uneven surfaces or turning the steering wheel, as worn bushes can cause imprecise handling and uneven tyre wear. Furthermore, the advisory for a coolant leak necessitates a thorough inspection of the engine bay. Check for any visible traces of dried pink or blue residue around the water pump, radiator, and various hose connections. A persistent leak can lead to airlocks in the system or catastrophic engine failure if the coolant level drops significantly. Regarding the tyres, the recent failure and subsequent advisories for damage on both front tyres suggest a need for immediate scrutiny. Inspect the sidewalls of all four tyres for any cuts, bulges, or signs of perishing, especially given the vehicle's age. Ensure that the tread depth is sufficient across the entire width of the tyre and check for uneven wear patterns, which would confirm that the previously noted suspension bush issues are affecting the geometry. Finally, because the car has been used moderately, check the brake discs for excessive corrosion or grooving and ensure the calipers are not binding, which can happen if the vehicle has had periods of shorter, less frequent trips. Verify that the service history supports the replacement of major consumables like the timing belt and brake fluid, as these are critical for a vehicle of this age and mileage.