2009 Audi TT 2.0L Diesel · KP02 SUE

The 2009 Audi TT presents a mixed but broadly stable mechanical picture as of its most recent MOT on 14 July 2025 at 113,317 miles, where it passed after a failure just two days prior. That failure on 12 July 2025 was triggered by a fractured nearside front coil spring and an SRS warning lamp, both of which were rectified before the pass. The maintenance trend is one of chronic, low-level corrosion and consumable wear rather than acute neglect. Recurring advisories for corroded coil springs, corroded rear suspension arms, and pitted rear brake discs have appeared consistently since at least July 2022, suggesting a vehicle that has been kept on the road with targeted repairs rather than a comprehensive restoration. The offside rear shock absorber has shown a light oil misting across four consecutive annual tests, indicating a slow, tolerated seepage rather than a sudden failure. The mileage progression is linear and unremarkable. From 108,233 miles in July 2022 to 113,317 miles in July 2025, the vehicle covered roughly 5,000 miles over three years, averaging about 1,700 miles annually in recent years. This is well below the 6,666 miles per year implied by the 17-year age average, pointing to light modern use. The MOT record shows no gaps in annual testing and no anomalous jumps, giving confidence that the odometer reading is genuine and the car has not been standing idle for extended periods. A buyer should focus the physical inspection on the underside, where the recurring corrosion advisories cluster. The under trays fitted at every test have likely shielded the structure from view, so removing them is essential to inspect the subframe, suspension mounting points, and brake lines for advanced corrosion. The ferrules on both front brake hoses have been flagged for slight corrosion since July 2025, and the rear brake discs have been noted as worn and pitted across multiple years, suggesting replacement is overdue. The offside rear shock absorber's persistent light misting warrants close examination; if the oil loss has progressed to a drip, the unit will need replacing. Tyre condition has been a recurring issue, with nails in the rear tyres noted in 2024 and 2025, and perishing or cracking advisories appearing annually, indicating the rubber may be aging unevenly. The fractured nearside front coil spring that caused the July 2025 failure is a significant event, even though it was replaced for the retest. A buyer should verify the replacement was done in pairs and inspect the opposite front spring for similar fatigue. The SRS lamp fault that accompanied the failure should also be interrogated with a diagnostic scan to confirm the airbag system is fully operational. Overall, the vehicle appears to have been maintained to a passable standard rather than a meticulous one, with corrosion managed reactively rather than prevented.