2019 Audi A6 S Line 40 TDI S-A 2.0L Heavy oil · LP19 CVL

The most recent DVSA MOT test on the 2019 Audi A6 S-Line 40 TDI S-A was conducted on 2025-09-01 and resulted in a clean pass, with no recorded defects. The vehicle’s MOT history over the past five years demonstrates a stable maintenance trend, as all tests from 2022 to 2025 have passed without any failures, though the 2022 test included two minor advisories—one related to the nearside rear child seat obstructing inspection and another concerning engine cover and undertray obstructions—which do not affect roadworthiness but may warrant attention during a pre-purchase inspection. The absence of repeated failures or progressive issues suggests that the vehicle has been maintained within DVSA standards, though the advisories from 2022 indicate some minor design or installation considerations that could impact long-term serviceability if not addressed. The recorded mileage of 68,724 miles for a vehicle aged seven years represents a moderate annual usage rate of approximately 9,818 miles per year, which is consistent with typical driving patterns for this model class. This mileage does not suggest excessive wear from high annual mileage, but it also does not indicate minimal usage either. The lack of significant mileage gaps implies the vehicle has been in regular service, which can accelerate wear on consumables like brake pads, suspension components, and fluid systems. However, the absence of high-mileage symptoms such as excessive tyre wear patterns, uneven brake disc wear, or noticeable suspension clunking during a test drive suggests that the drivetrain and suspension have not yet reached critical stages of degradation. It is prudent to monitor for signs of fluid degradation, such as brake fluid contamination or engine oil sludge, particularly given the TDI’s diesel common-rail injection system, which is sensitive to fuel and oil quality. As a prospective buyer, the most critical areas to inspect during a pre-purchase examination are the suspension system, brakes, and fluid systems, given the vehicle’s age and mileage. Begin with a visual and tactile assessment of the suspension for signs of worn suspension bushes, coil spring deterioration, or binding strut mounts. Listen for unusual clunking or rattling noises when driving over bumps, as these can indicate failing suspension components. Inspect the brake system for uneven wear on discs and pads, potential brake fluid leaks, and any signs of corrosion or binding in the calipers, which can occur if the vehicle has been left stationary for prolonged periods. The TDI’s diesel engine and transmission require attention to fluid levels and condition; check the engine oil for contamination or sludge, the differential fluid for darkening or grit, and the brake fluid for moisture buildup or discolouration, as these can compromise performance and safety. For the child seat advisory from 2022, ensure that any modifications or installations do not obstruct future MOT inspections, particularly around the rear passenger area and under the vehicle. The engine cover and undertray advisories suggest that the vehicle may have been fitted with additional components or modifications that could interfere with future inspections, so it is advisable to confirm that these items are securely fastened and do not pose a risk to structural integrity or emissions testing. Additionally, given the vehicle’s age, pay particular attention to the tyre condition, checking for sidewall perishing or cracking, which can compromise safety and warrant replacement if found. Finally, verify the 12V battery health, as older vehicles may experience reduced capacity or corrosion in terminals, and ensure that the service history includes scheduled fluid top-ups, particularly for the diesel cooling system and transmission fluid, which degrade over time regardless of mileage.