2021 Audi A1 1.0L Petrol · YY21 OYF

The most recent DVSA MOT test on 9 April 2026 resulted in a Pass, which is a positive immediate indicator, but two advisories were recorded that warrant attention. The offside rear brake disc was noted as worn, pitted or scored, though not seriously weakened, and this same advisory was issued at the previous test in April 2024. The recurrence of this defect across two consecutive tests suggests a progressive wear pattern rather than an isolated observation, and the nearside rear tyre was also flagged for slight damage, cracking or perishing. While the overall trend cannot be classed as worsening in the sense of outright failures, the consistency of the rear brake disc advisory points to a component that is gradually degrading and should be monitored closely, particularly because the inner and outer edges of rear discs on small Audis can pit unevenly if the vehicle is frequently used for short urban journeys or left standing for extended periods. Against an age of approximately five years, the recorded mileage of 25,477 miles equates to an annual average of around 5,095 miles, which is notably below the typical usage for a car of this type. Low annual mileage of this nature is not inherently detrimental, but it does shift the profile of likely wear away from high-mileage drivetrain fatigue and towards condition issues associated with light or intermittent use. The vehicle will have experienced significant standing periods, which can lead to brake disc surface corrosion, caliper slide pin seizure, and potential binding, as well as flat spots or sidewall cracking on tyres that have not been regularly rotated or replaced. The fact that the same rear brake disc has been pitted at two consecutive tests over a two-year span is consistent with this pattern, as the discs may not be receiving enough sustained braking action to keep them clean and free of surface oxidation. Given the recurring offside rear brake disc advisory, any prospective buyer should carry out a focused test drive and physical inspection of the braking system. On the road, listen for any rear brake squeal, grinding, or juddering under light or moderate pedal pressure, and pay particular attention to whether the vehicle pulls to one side under braking, which could indicate a binding caliper or uneven pad wear on the rear axle. With the wheels safely raised, inspect the disc surfaces for a defined lip on the outer edge, measure the disc thickness against the manufacturer’s minimum specification, and check that the caliper slides freely without resistance. Because rear discs on this platform can pit more aggressively when the vehicle is used predominantly for short trips, factor in the cost of disc and pad replacement as a near-term maintenance item even if the components presently remain within legal limits. Beyond the brake-related advisories, the low-mileage profile demands careful attention to age-related deterioration that may not be captured on an MOT test sheet. Inspect all four tyres closely for sidewall cracking, perishing, or any bulges, as tyres older than around five years begin to degrade from the inside out regardless of tread depth; the nearside rear advisory already noted slight damage and perishing, so a full set of replacements may be due. Verify the 12V battery health with a proper load test, since batteries on infrequently used vehicles often fail prematurely, and confirm the service book or digital service record shows timely replacement of brake fluid, coolant, and gearbox oil at their calendar-based intervals rather than purely mileage-based schedules. Lift the carpets in the boot and footwells to check for damp or standing water ingress, examine the underbody and exhaust system for any surface rust consistent with limited use on damp roads, and ensure the air conditioning and auxiliary systems function correctly, as these can deteriorate through lack of use. Finally, confirm that any dashboard warning lights, particularly for tyre pressure monitoring and the electronic stability programme, are absent at ignition, and verify that the timing chain or cambelt service interval has been observed according to Audi’s recommended schedule.