1990 Audi 100 2.2L Petrol · G768 KVV

The most recent DVSA examination on 21 March 2023 resulted in a pass, with only a minor windscreen damage item recorded against the test itself, but the inspector flagged several advisories worth serious attention from a prospective buyer. Looking across the recent test history, the overall trend is broadly stable rather than worsening, as the vehicle has continued to pass on each occasion, but the pattern of advisories is telling. The same oil leak was noted in both the 2023 pass and the 2023 fail, suggesting a persistent but not yet excessive seep that warrants monitoring. The 2021 fail was more concerning, with major defects including a non-functioning rear stop lamp, an inoperative windscreen washer, incorrect headlamp aim, and a missing steering rack gaiter, though the vehicle subsequently returned to roadworthy condition. The recurrence of brake pipe corrosion advisories on both rear lines in 2023 is a particularly important point, as brake lines on a 1990 Audi of this vintage are highly likely to be original steel components now over three decades old and increasingly susceptible to corrosion-related failure. The recorded mileage of 165,048 miles on a 36-year-old vehicle equates to an average of approximately 4,585 miles per year, which is notably low for a car of this age and points to either light regular use or extended periods of standing between uses. Such low annual mileage has significant mechanical implications, as prolonged standing allows brake discs and calipers to corrode and seize, suspension bushes and coil springs to dry out and crack from age rather than wear, rubber components throughout the engine bay and undercarriage to perish, and the 12V battery to degrade through repeated shallow discharge cycles. The MOT record supports this interpretation, with advisories in 2021 noting a binding offside front service brake and deteriorated rear exhaust rubbers, both classic symptoms of a vehicle that has sat for prolonged intervals. Conversely, the relatively even mileage accumulation implied between tests suggests no extreme high-mileage abuse periods, so major mechanical components such as the engine and gearbox are unlikely to have suffered from excessive wear. Given the recurring brake and undercarriage advisories, a prospective buyer should carry out a thorough physical inspection focusing on these specific points. The rear brake pipes should be carefully examined for live corrosion, scaling, or pitting, as the 2023 advisories indicate they are coated in grease as a temporary measure, and any underlying corrosion will eventually require sectional replacement of the brake lines, a common and costly issue on older Audis. On a test drive, listen for any clonks or knocking from the front suspension over speed bumps, which would indicate worn bushes or drop links, and pay particular attention to any pulling or shuddering under braking, which would suggest the binding brake caliper noted in 2021 may have progressed. The persistent oil leak should be inspected from underneath to determine whether it originates from the sump, rocker cover, or a more significant rear main or camshaft seal, and any fresh drips on the driveway after a test drive would indicate active seepage rather than a dried historic residue. Beyond the recorded defects, the age and low usage profile of this Audi 100 demand particular attention to time-based degradation rather than mileage-based wear alone. Tyres should be examined closely for sidewall perishing and cracking, as rubber compounds deteriorate with age regardless of tread depth, and any tyres fitted should be checked for a recent production date code. The brake discs and rear brake discs, flagged as worn and pitted in 2018, should be inspected for lipping, corrosion, and smooth operation, as seized calipers are a common MOT failure point on low-use classics. Engine coolant, brake fluid, and power steering fluid should all be considered overdue for replacement purely on age, as brake fluid is hygroscopic and degrades over time, and old coolant loses its corrosion inhibitor properties. Finally, verify that the steering rack gaiter reported missing in 2021 has been properly replaced, inspect all visible rubber boots and gaiters for tears, and confirm a complete service history with evidence of cambelt and timing component replacement, as a neglected timing belt on a vehicle of this age could result in catastrophic engine failure.