2015 Audi A1 Sport TDI S-A 1.6L Diesel · BL12 TAG

The vehicle’s most recent MOT test on 2025-06-21 resulted in a pass with no defects recorded, following a failure on 2025-06-20—an unusual sequence suggesting either a technical error in the initial test or a last-minute correction. The lack of any advisories or recurring faults in the 2025 cycle indicates no obvious mechanical degradation or neglect. However, the abrupt failure-to-pass transition warrants confirmation that the vehicle was not subjected to a rushed or incomplete inspection. The overall maintenance trend appears stable, though the sudden reversal in test outcomes demands verification of the underlying cause. The recorded mileage of 53,402 miles over approximately 11 years—roughly 4,855 miles annually—is notably low for a vehicle of this age, suggesting either infrequent use or prolonged periods of inactivity. Such low mileage can mask deeper issues, as components like suspension bushes, coil springs, and brake calipers may degrade passively over time without the mitigating effects of regular driving. The sparse MOT history, with only two tests in the past year, also raises questions about whether the vehicle has been driven consistently or if there are gaps in its service and inspection record. Given the lack of documented faults, a buyer should prioritise an independent inspection of the suspension system, particularly the rear axle and bushes, which are common failure points in TDI models of this era. The brakes, including calipers and pads, should be checked for uneven wear or binding, as the abrupt MOT failure could hint at a minor but unresolved issue. Structural corrosion, especially around the wheel arches and sills, should be examined closely, given the vehicle’s age and exposure history. Finally, the fuel system and emissions components—such as the DPF and EGR—should be scrutinised, as TDI engines are prone to carbon buildup and catalytic converter degradation over time.