2021 Audi A3 S Line ED 1 35 Tfsi Mhev SA 1.5L Petrol · CB65 CAM

The most recent DVSA MOT test on the 2021 Audi A3 S Line ED 1 35 TFSI MHEV SA, conducted on 2026-07-08, resulted in a passing grade, though it included several advisories that warrant careful consideration. The overall maintenance trend over the past five years shows a pattern of recurring issues, particularly with brake system wear and drivetrain integrity, which have fluctuated between passing and failing tests. While the latest inspection cleared the vehicle of major defects, the persistent advisories on brake disc and tyre wear—particularly the nearside and offside front brake discs nearing their legal limits and the offside front tyre showing edge wear—suggest ongoing mechanical attention is required. The failure in 2024-04-26 due to a tyre pressure monitoring system (TPMS) malfunction indicates a potential underlying issue with the vehicle’s sensor or wiring, which could recur if not addressed. These patterns suggest that while the vehicle may currently meet roadworthiness standards, it has not been consistently maintained to prevent wear progression in critical components. The vehicle’s recorded mileage of 51,574 miles at the time of this assessment represents a typical annual usage rate of approximately 10,315 miles per year, aligning with the expected wear profile for a five-year-old car under moderate to heavy use. The consistency of the mileage suggests a steady driving regimen rather than periods of prolonged inactivity, which could otherwise exacerbate issues like standing corrosion or fluid degradation. However, the presence of a major failure in 2024-04-26—specifically the near-side front drive shaft constant velocity (CV) boot split—implies that the vehicle has experienced some form of mechanical stress or improper maintenance, potentially leading to further wear in the drivetrain or adjacent components. The CV joint boot failure is critical because it compromises the integrity of the CV joint, risking oil leakage and increased wear on the joint’s internal components, which could manifest as unusual noises or vibrations during acceleration or cornering. As a prospective buyer, you should conduct a thorough physical inspection of the brake system, focusing on the front discs and pads for signs of uneven wear, corrosion, or binding. On a test drive, listen for any grinding noises when applying the brakes, as this could indicate metal-to-metal contact from worn pads or damaged discs. Inspect the brake fluid reservoir for contamination or moisture buildup, as this may signal brake system degradation or hydraulic failure. The advisories on brake disc wear suggest that the pads may need replacement soon, with the near-side and offside discs requiring attention before they reach the legal minimum thickness. Additionally, verify the condition of the CV boots and joints by checking for oil leaks around the CV axles and listening for clunking noises when turning corners, which could signal joint failure or excessive play. Beyond the immediate concerns, examine the vehicle’s suspension and tyre condition for signs of excessive wear or damage. The offside front tyre showing edge wear could indicate alignment or camber issues, leading to uneven tyre degradation and potential handling problems. Check the tyre sidewall for signs of cracking or perishing, which is more likely in a five-year-old vehicle, even with moderate mileage, due to exposure to environmental elements. Inspect the exhaust system for leaks or corrosion, particularly around the catalytic converter and tailpipes, as the vehicle’s age and mileage may have contributed to material fatigue. Pay particular attention to the battery and electrical systems, as the TPMS failure suggests potential wiring or sensor issues that could recur. Finally, verify that the service book records reflect the scheduled maintenance intervals, including fluid changes (brake fluid, coolant, and transmission fluid) and filter replacements, as these are critical for preventing long-term mechanical failures. If the vehicle has been driven at a steady rate, consider a comprehensive fluid refresh, especially the brake and coolant systems, which degrade over time regardless of mileage.