2015 Audi A4 2.0L Diesel · GD65 XOV

A clear pattern of front suspension wear has emerged across the last three MOT tests on this 2015 Audi A4, with advisories repeatedly flagging the lower suspension arm pins or bushes on both the nearside and offside front as worn, though not yet resulting in excessive movement. The most recent test on 8 December 2025 passed, but it carried forward these same front suspension advisories alongside a new advisory for an offside front inner tyre worn close to the legal limit on its edge, and the persistent advisory concerning rear subframe corrosion. While none of these issues have yet escalated into a failure, the consistency of the suspension arm pin or bush advisories over consecutive tests indicates that these components are progressively degrading and are likely to require replacement in the near term. The reappearance of the rear subframe corrosion advisory for a second consecutive year also warrants close attention, as subframe corrosion can advance from not seriously weakened to a failable structural defect within a relatively short period on a vehicle of this age and mileage. At 163,827 miles over approximately eleven years, this A4 has averaged around 14,893 miles per year, which is notably high for the model and age bracket. This level of annual usage implies greater cumulative wear on all major mechanical systems including the engine, automatic transmission, clutch assembly, braking components, and suspension, compared with a lower-mileage example of the same age. The mileage progression between tests is steady rather than erratic, suggesting the vehicle has been in regular use rather than subject to long periods off the road, which is generally favourable for preventing issues such as seized brakes, deteriorated rubber seals, and battery degradation. However, the high overall figure means that drivetrain components typically considered long-life items on lower-mileage cars may now be approaching or past their service thresholds on this particular vehicle. A prospective buyer should prioritise a thorough physical inspection of the front suspension, as the repeated advisories on both lower suspension arm pins or bushes suggest these are nearing the end of their service life. On a test drive, listen for clonking or knocking noises from the front end when traversing speed bumps, potholes, or uneven tarmac, and pay particular attention to any vagueness or wandering in the steering, particularly under braking or over mid-corner bumps, which would indicate that the worn bushes are now allowing excessive movement. With the vehicle elevated on a ramp, the lower suspension arms should be physically wrestled to confirm the extent of play in the pin or bush joints, and the rear subframe should be inspected closely for any advancing corrosion, particularly around mounting points and seam welds, to ensure it has not deteriorated beyond the advisory threshold since the last test. The repeated advisories for tyres wearing close to the legal limit on their edges, particularly on the front axle, may also point to the worn suspension components allowing slight camber misalignment, accelerating shoulder wear. On the test drive, feel for any pulling to one side under steady acceleration or braking, and inspect the tread pattern across the full width of each front tyre for uneven shoulder wear. Given the high overall mileage, it would also be prudent to verify the service history for the timing belt, water pump, and automatic transmission fluid changes if applicable, and to listen for any transmission hesitation, judder, or harsh shifting. The brakes should be checked for binding calipers or hot wheels after a short drive, as high-mileage urban use on an executive saloon of this type commonly leads to corroded slide pins and sticking caliper mechanisms.