2004 Audi A3 1.9L Diesel · LW53 KTU

This 2004 Audi A3, currently at 184,051 miles, shows a concerning pattern of repeated MOT failures despite no recorded defects. The most recent tests—both in March 2025—were conducted within days of each other at identical mileages (184,047 and 184,051), yet one passed while the other failed without explanation. This inconsistency suggests either a tester error or a critical but undocumented issue that only surfaced intermittently. The previous cycle in 2024 also repeated the same failure date (March 8 and 15) at the same mileage (179,894), reinforcing the likelihood of a recurring, unresolved problem. Without access to advisory notes or repair records, the true cause remains speculative, but the repeated failures imply either a persistent mechanical fault or a lack of proper pre-test maintenance. The mileage progression of roughly 8,366 miles per year aligns with typical usage for this age, though the abrupt resets in test dates—where failures and passes occur within a week—are unusual. The gap between the 2023 and 2024 tests (just under 6,000 miles in a year) suggests either a period of low usage or deliberate deferral of the MOT. The lack of defects recorded in any test, however, means no structural or safety-critical failures were formally noted. This could indicate either diligent upkeep in areas not subject to MOT scrutiny or, conversely, that serious issues were overlooked until they became test-day failures. Given the repeated failures without clear defects, a buyer should prioritise an independent inspection of the braking system, particularly rear calipers or binding mechanisms, as these are common causes of intermittent MOT failures. The suspension—especially rear bushes, coil springs, and track rods—should be checked for excessive wear or corrosion, as these components often fail progressively without immediate warning. Exhaust emissions systems, while not flagged here, may warrant scrutiny if the car has been driven with inconsistent fuel quality or if the engine has been modified. Structural integrity, particularly around the rear subframe and wheel arches, should also be assessed for corrosion, as this is a known weakness in older Audi models. The absence of advisory notes in the MOT history makes these areas all the more critical to verify in person.