2021 Audi A3 S Line 35 Tfsi Mhev S-A 1.5L Petrol · SW21 GGJ

The most recent MOT test for this 2021 Audi A3 S Line 35 TFSI MHEV S-A was conducted on 2025-10-21 and resulted in a passing outcome, indicating no critical failures were found at that time. However, the vehicle’s MOT history reveals a concerning pattern of recurring advisories related to front brake discs, specifically noting wear, pitting, or scoring on both the nearside and offside front brake assemblies during the 2024-12-13 test. This suggests a persistent issue that has not been resolved or adequately addressed, as the discs were deemed worn but not seriously weakened, which is a condition that typically warrants closer monitoring or potential replacement. The absence of defects in the 2023-12-20 test and the subsequent passing in 2025-10-21 implies that the wear may have been relatively stable between these intervals, but the repeated advisories indicate a mechanical trend that should not be overlooked. Buyers should be cautious, as brake disc wear can accelerate with increased usage or if the vehicle has been subjected to heavy braking conditions, particularly if the discs are not being replaced at the recommended intervals. The vehicle’s recorded mileage of 45,193 miles at the time of assessment represents a moderate annual usage rate of approximately 9,039 miles per year, which is consistent with typical driving patterns for a five-year-old car. This level of mileage is not excessively high for its age, but it does imply that the vehicle has been in regular use, which can contribute to wear on consumables such as brake pads, suspension components, and drivetrain elements. The lack of significant mileage gaps suggests that the car has not been left stationary for prolonged periods, which could otherwise lead to issues like standing corrosion on brake components or fluid degradation in hydraulic systems. However, the combination of moderate mileage with recurring brake disc advisories raises questions about whether the wear is being managed effectively or if there may be underlying mechanical factors influencing the condition of the brake assemblies. Given the recurring advisories for front brake discs, the prospective buyer should conduct a thorough inspection of the braking system during the inspection process. Focus on the front brake discs, ensuring they are free from excessive pitting, scoring, or warping, and verify that the pads are not worn to the minimum legal thickness. Listen for any unusual noises during braking, such as grinding or squeaking, which could indicate further deterioration of the discs or pads. On a test drive, observe the vehicle’s braking performance, particularly at higher speeds and under load, to detect any signs of reduced effectiveness or vibration in the pedals, which may signal warped discs or binding calipers. Additionally, check for any fluid leaks around the brake master cylinder and calipers, as this could indicate hydraulic system issues that may require attention. The buyer should also consider scheduling a professional inspection to assess the condition of the rear brake discs and ensure that the entire braking system is functioning within safe parameters. For the broader vehicle condition, given the moderate mileage and recent MOT history, the buyer should pay particular attention to several age-and-mileage-appropriate checks. Inspect the tyre tread depth and sidewall condition, as tyres of this age may show signs of perishing or cracking, which can compromise structural integrity and safety. Check for uneven wear patterns, which could indicate alignment or suspension issues that were not flagged in the MOT but may require attention. Verify the condition of the suspension components, including coil springs, shock absorbers, and suspension bushes, for signs of wear or damage, as these can degrade over time and affect ride quality and handling. The 12-volt battery should be tested for health, as older vehicles may experience reduced performance or failure if the battery is not maintained. Finally, given the vehicle’s age, consider checking the service history for time-based fluid servicing, such as the engine oil and coolant, which should have been replaced according to the manufacturer’s recommendations to prevent internal wear or corrosion. If the buyer is concerned about the brake disc advisories, they may also want to confirm that the vehicle has been serviced with new brake pads and discs to address the recurring issues.