2010 Audi A4 2.0L Diesel · BJ10 VVC

The most recent MOT on 21 February 2026 was a pass, but it carried three advisories – a corroded nearside front coil spring, a severely deteriorated CV boot on both front drive‑shaft joints and a corroded rear‑axle suspension component. Over the last three years the pattern has shifted from a failure in March 2024 (caused by a fractured rear lower coil spring and thin rear brake pads) to a series of passes that still highlight corrosion and wear. The trend is therefore stabilising – the outright failure has been resolved – yet the recurring corrosion advisories suggest that underlying rust is an ongoing concern that will need proactive attention. With 201 035 mi recorded on a 2010 model, the car averages roughly 12 500 mi per year, well above the typical 8 000–10 000 mi for a vehicle of this age. Such a mileage level accelerates the depletion of wear items such as brake discs, pads, suspension bushings and engine oil, and it also increases the likelihood of fatigue in chassis components. The high annual usage combined with the noted corrosion indicates that the vehicle has been driven regularly rather than stored, which can be positive for engine health but also means that many service‑interval items may be approaching the end of their service life. A prospective buyer should give particular focus to the suspension and drivetrain. Inspect the nearside front coil spring for any cracking, excessive play or rust‑induced weakness, and verify that the rear lower coil spring that fractured in 2024 has been correctly replaced and is free of corrosion. During a test drive listen for any clunk, squeak or metallic knock when going over bumps or during hard cornering – these can signal deteriorated bushings, worn springs or a compromised sub‑frame, especially given the advisory about rear‑sub‑frame corrosion. The CV boots on both front axles should be examined for cracks, oil seepage or dried‑out rubber; a failing boot can allow contaminants into the joint, leading to joint collapse and costly repairs. Also check the rear brake pads and discs for uneven wear, glazing or pulsation under braking, as the MOT noted thin pads in 2024 and they may now be close to the minimum thickness. Even if the corrosion is addressed, age‑related checks remain essential. Examine all four tyres for sidewall cracking, dry rot or uneven tread wear that could betray mis‑alignment or suspension issues; tyres older than six years should be considered for replacement regardless of tread depth. Test the 12 V battery voltage and look for any signs of sulphation or terminal corrosion, as a vehicle with this mileage is likely to have seen periods of inactivity. Finally, confirm that the coolant, brake fluid and gearbox oil have been flushed within the recommended intervals – fluids degrade over time even without mileage and can cause overheating, corrosion or reduced braking efficiency if neglected. A thorough visual inspection of the under‑tray, exhaust mounts and any rust‑prone body panels will also help gauge whether the corrosion advisories are isolated or indicative of a broader structural issue.