2015 Audi Q3 2.0L Diesel · X90 RCH

The vehicle remains roadworthy but the maintenance history shows a worsening trend regarding structural corrosion and component wear. While it passed its most recent test in October 2025 at 70,699 miles, it had failed just three days prior due to a fractured offside front coil spring and an excessively worn anti-roll bar linkage ball joint. These failures indicate that while repairs are being made when they cause failures, the suspension components are now reaching the end of their service life simultaneously. The mileage pattern is consistent with a vehicle used for low-intensity commuting, averaging approximately 6,400 miles per year. The record shows a steady progression from 28,601 miles in 2018 to over 70,000 miles in 2025. However, the low annual mileage may have contributed to the age-related issues, such as the 2022 advisory which flagged perishing and cracking tyres at 56,236 miles, suggesting that lack of regular use has led to the degradation of rubber components. A buyer must conduct a thorough physical inspection of the rear sub-frame and suspension arms, as these have been flagged for corrosion since at least 2022. Although the tester currently describes the corrosion as not seriously weakened, the persistence of this issue over four years suggests an active oxidation process that will eventually accelerate. Close attention should also be paid to the brake hose ferrules, which have shown recurring signs of corrosion since 2023 and represent a potential point of hydraulic failure if not replaced proactively. Given the recent failure of the coil spring and anti-roll bar, it is essential to verify the integrity of all rubber bushings and ball joints across the chassis. The history of worn tyres and pitted brake discs indicates that the vehicle is entering a phase where more frequent mechanical intervention will be required to maintain its safety status. The structural integrity of the underbody remains the primary long-term concern for this specific Audi.