2005 Audi A4 2.0L Diesel · OY05 VRD

A persistent pattern of deterioration in the rear brake flexi hoses defines the mechanical story of this 2005 Audi A4, with the same advisories appearing on virtually every test since 2020. The most recent examination on 28 July 2026 returned a clean pass with no defects recorded, and the two tests prior to that in 2024 and 2025 were similarly clear, suggesting the rear hoses were eventually replaced after years of being flagged. However, the broader record is not spotless: a fail in July 2022 was triggered by an illuminated ABS warning lamp and inoperative registration plate lamps, both classed as majors, and the same test also reiterated the perishing rear flexi hoses. A minor number plate lamp defect recurred in 2023, indicating some electrical or bulb-related issues with the rear lighting. With the suspension side, a 2023 advisory noted light oil misting on the nearside front shock absorber, which is worth monitoring given the car's age. The recorded mileage of 124,282 miles against a 2005 registration year equates to roughly 5,900 miles annually, which is low for a vehicle of this vintage. There are no extended gaps in the MOT testing history, with annual tests consistently recorded from 2020 through 2026, indicating the car has remained in regular use rather than being laid up. Lower annual mileage of this nature typically means slower wear on major drivetrain components, but it can also mask the effects of age on rubber items, suspension bushes, and brake hoses, all of which degrade with time regardless of distance covered. The gradual year-on-year mileage accumulation visible across the recorded tests is consistent with light, steady use rather than any sudden heavy utilisation. For a prospective buyer, the rear brake flexi hoses are the single most important item to physically inspect and confirm the status of, despite the clean recent passes. Perished or cracked outer casing on these rubber hoses is a common failure point on older vehicles, and replacement with new hoses is a relatively straightforward but essential job given that a burst flexible hose would result in total rear brake loss. It is also prudent to examine the rear brake pipes and callipers for any signs of corrosion or binding, given the chronic advisories in this area. The ABS warning lamp failure from 2022 warrants investigation as well; a current diagnostic read-out should confirm that no ABS fault codes are stored, and the ABS ring and wheel speed sensor wiring on all four corners should be checked for damage or corrosion. The light oil misting noted on the nearside front shock absorber in 2023, though not repeated since, is a component to monitor closely. On a test drive, listen for any knocking or clonking from the front suspension over uneven surfaces, which could indicate worn top mounts, control arm bushes, or anti-roll bar drop links, all common wear items on a B7-generation Audi A4 at this age. The steering should be checked for vagueness, clunks on full lock, and any signs of tracking pull, while the front strut cartridges should be inspected for fresh oil seepage. Given the vehicle's age, it would also be sensible to check the underside for any corrosion on the subframe, suspension arms, and brake lines, even though none of these specific areas were flagged in the MOT record. A final road test should include firm brake applications to confirm a firm pedal and straight-line stability under braking, and a check of the ABS warning lamp on the dashboard to ensure it extinguishes promptly at start-up.