2009 Audi R8 4.2L Petrol · NUI 113

A pattern of chronic brake disc wear dominates the roadworthiness history of this Audi R8, with pitted or scored front and rear discs recorded across three consecutive tests spanning late 2024 to early 2026. The 2026-01-22 pass confirms the vehicle currently meets statutory standards, but the underlying advisory has remained unresolved across multiple cycles, suggesting the discs have not yet been machined or replaced. A more serious mechanical concern emerged in the 2026-01-12 failure, where exhaust carbon monoxide content after the second fast idle exceeded the manufacturer default limits, pointing to a potential catalytic converter efficiency issue, lambda sensor drift, or air/fuel metering irregularity within the V10 engine management. That same test also flagged a non-functioning rear fog lamp and registration plate presentation defects, both of which appear to be rectification items rather than deeper structural concerns. The trend overall is one of escalating emissions and persistent brake deterioration rather than stable roadworthiness, and a prospective buyer should not interpret the most recent pass as evidence of fundamental improvement in the braking or exhaust systems. At 54,806 recorded miles over seventeen years, the vehicle has averaged roughly 3,224 miles annually, a figure well below typical usage for a car of this age and considerably lower than what would be expected of a mid-engine supercar. This unusually light accumulation suggests extended periods of off-road storage, limited weekend or fair-weather use, or a combination of both. While low mileage generally preserves interior trim and reduces general wear on drivetrain components, it can also accelerate degradation of items that suffer from disuse rather than use, including brake discs corroding or pitting from infrequent braking, tyre sidewall flex cracking from static loading, and seal or hose deterioration in the fuel, coolant, and vacuum systems. The MOT record shows no large annual jumps in mileage, reinforcing the picture of consistent low use rather than bursts of activity, but the visible consequence is the chronic brake surface wear noted across the tests. For a buyer considering this R8, the brake disc condition is the priority area for physical inspection. The repeated advisories for pitted and scored surfaces on both axles indicate that the discs are likely approaching or have already exceeded the manufacturer minimum thickness thresholds, and a thorough check with a vernier gauge or direct conversation with a specialist is warranted before purchase. On a test drive, listen for any brake judder through the pedal under firm application, a pulsing sensation indicating runout, or grinding noises that would confirm the wear has progressed beyond the advisory stage. Because the 2026 failure recorded elevated carbon monoxide at the second fast idle, the exhaust catalyst and pre-catalyst lambda sensors should be scanned for fault codes, and the test should include a warm idle period to replicate the MOT fast-idle condition and observe whether the exhaust smell is unusually strong or the idle hunts inconsistently. Given the low annual mileage, a detailed inspection of items that degrade with standing time is also essential. Coolant strength and age should be verified, as should the condition of hydraulic brake fluid, which is hygroscopic and will absorb moisture during long static periods, potentially reducing braking performance even though the discs themselves may still respond. The tyres, flagged in 2024 for inner edge wear on both front wheels, indicate a possible alignment or camber issue affecting the front axle, and uneven inner-edge wear should be re-examined on the current set to determine whether the tracking has been corrected. Finally, given the V10's mid-engine packaging and the R8's known susceptibility to clutch wear and gearbox mechatronic issues under low-mileage stop-start use, a specialist diagnostic scan and ideally a pre-purchase inspection by an independent Audi supercar technician would be a prudent step before committing to purchase.