2005 Audi A4 2.0L Petrol · W158 ART

A 2005 Audi A4 of this vintage carrying only 120,478 miles over twenty-one years presents a roadworthiness record that, on the surface, looks reassuring but warrants close mechanical scrutiny. The most recent test on 17 December 2025 was a clean pass with no advisories or defects recorded, continuing a trend of straightforward results since 2023. Notably, the December 2024 and December 2023 entries each contain both a pass and a fail on closely spaced dates, suggesting the vehicle was submitted, identified with a defect, rectified off-site, and immediately re-presented. The absence of any recorded defect detail on those failure entries means the specific cause cannot be confirmed from the MOT history alone, which is unusual and makes a pre-purchase inspection of the previously failed system essential rather than optional. With an annual accumulation of roughly 5,737 miles against a 21-year vehicle age, this A4 has seen substantially less use than the typical 8,000 to 10,000 miles per year expected of a car of its era. The mileage progression from the 2023 test through to the 2025 record shows steady but modest gains of a few thousand miles per year, consistent with a second or third owner using the car for limited commuting or weekend duties rather than as a daily driver. Mechanically, low-mileage Audi A4s of this generation frequently suffer from age-related degradation rather than wear-related wear: rubber seals, suspension bushes, drive shafts, and flexible brake hoses harden and perish with calendar age regardless of mileage, while oil seals around the cam chain tensioner and turbo (on earlier petrol and diesel variants) can weep from prolonged standing. Given the two closely timed failure events with no detail logged, a prospective buyer should press the seller for any receipts, invoices, or written details relating to the December 2023 and December 2024 repairs, as these will indicate whether the work concerned safety-critical items such as braking, steering, or suspension components. On a physical inspection, particular attention should be paid to the front suspension; the B6/B7 A4 is known for wear in the front control arm bushes, lower wishbone rear bushes, and anti-roll bar drop links, which typically present as clonking noises over speed humps and vague steering response. Check visually for perished bushes, and during a test drive listen for any knocking from the front end on uneven surfaces, particularly on full lock or over potholes. The braking system should be examined with the wheels removed where possible, as the rear calipers on this era of A4 are prone to seizing due to infrequent use, leading to uneven pad wear and dragging. During the test drive, feel for any pulling to one side under braking, a soft or spongy pedal suggesting perished flexible hoses, or juddering through the pedal that may indicate warped front discs. Equally, the steering rack and tie rod ends should be checked for play by hand, and the underside inspected for any oil misting from the cam chain area, weeping from the power steering pipes, or corrosion around the front subframe mounting points. Given the low annual mileage, it is also prudent to check the condition of the timing chain, coolant, and transmission oil on a service history basis, as fluids that have been left unchanged for long calendar intervals can degrade even when the odometer reading remains modest.