2009 Audi A4 2.0L Diesel · OV09 HGU

The 2009 AUDI A4 presents a mixed mechanical picture with several documented failures spread across its ownership period, culminating in a recent passing test on 2022-11-14. While the most recent MOT result shows no active defects, the vehicle has accumulated multiple non-fatal warnings and failures spanning lights, braking, tyres, and emissions over roughly seventeen years. The pattern suggests intermittent rather than progressive deterioration, with the latest test indicating the current state is free of immediate hazards, yet the historical record reveals recurring attention to critical safety systems including lighting, stopping function, and drivetrain emissions compliance. This combination means the car is legally roadworthy today but carries a substantial history of component-level issues that require verification before purchase. The recorded mileage of 104,306 miles on a 2009 model places the vehicle at approximately six thousand one hundred thirty-six miles per annum, which aligns with expected usage for its age and reflects moderate daily driving rather than heavy commercial or touring mileage. The gap between the last pre-2020 MOT (2020-11-18) and the subsequent test in November 2022 represents nearly two years without roadworthiness certification, during which the car may have accumulated additional wear not captured in official records. More notably, the 2020 MOT revealed a tyre lump on the rear wheel resulting from structural separation, alongside an exhaust emissions failure exceeding the manufacturer specification. These findings indicate that even with average annual mileage, certain wear patterns—particularly tyre integrity and catalytic converter health—can degrade faster than anticipated, especially under conditions where the affected components are stressed repeatedly. Buyers should conduct a thorough visual and functional inspection of the nearside stop lamp assembly, ensuring both indicator units operate correctly and there is no flickering or intermittent failure upon acceleration or braking. The front brake disc reported as pitted or scored in November 2021 warrants confirmation of pad thickness and disc surface condition during test drive, particularly when navigating descents or braking hard from speed. Given the rear tyre lump noted in 2020, inspect the affected wheel for uneven wear patterns, sidewall bulging, or signs of delamination that could compromise grip. Additionally, listen for any unusual hissing or rattling from the exhaust system while driving, and verify that the parking brake engages firmly when loaded, as the 2019 advisory suggested marginal efficiency that may still manifest under stress. If any of these areas raise concerns, request detailed photos and, ideally, independent mechanic verification before committing to the purchase.