2021 SEAT Leon SE Dynamic TDI 2.0L Diesel · DF21 VVM

The most recent DVSA roadworthiness test, conducted on 29 July 2026, resulted in a clean pass with no defects or advisories recorded, which represents the most favourable outcome possible at the official inspection. Reviewing the broader MOT trajectory, the vehicle has now passed two consecutive tests without any failure items, and the advisory and minor defects noted previously have not progressed or reappeared, suggesting that the prior issues were addressed or have remained stable. The 2025 advisories concerning light oil misting on both rear shock absorbers and the deteriorated front registration plate are worth retaining on your radar, but their absence from the 2026 test indicates no immediate structural concern. Overall, the maintenance trend appears stable and consistent with a vehicle that has been looked after, even if utilised intensively. With 103,513 miles recorded on a 2021 SEAT Leon TDI at approximately five years of age, this equates to an annualised usage of around 20,700 miles per year, which is notably high for its class and age. Such mileage accumulation places considerably greater demand on the diesel engine, clutch, dual-mass flywheel, turbocharger, and associated ancillaries than would be expected of a typical private owner. Diesel particulate filter (DPF) health is particularly relevant given the mileage profile, and any history of short journeys or frequent stop-start urban driving should be investigated, as DPF regeneration requires sustained motorway-style running. The recorded mileages across successive MOTs suggest continuous, regular use rather than periods of standing, which is mechanically beneficial for avoiding the typical issues associated with garage-kept vehicles, though it accelerates wear on consumable components such as suspension bushes, brake discs, and the timing belt service interval, which on this engine is typically due at five years or around 100,000 miles, meaning it should be confirmed as recently completed with documented evidence. Given the elevated mileage and the advisories previously raised on the rear shock absorbers, particular attention should be paid to the suspension during a test drive. Listen for clonks or knocks over speed humps and uneven road surfaces, as rear damper wear tends to present first as a noticeable deterioration in ride quality and reduced damping control. Inspect the rear shock absorber bodies and the surrounding spring seats for any fresh oil seepage, and check the rear tyres for uneven inner or outer shoulder wear, which can indicate weakened damping or worn suspension bushes. Brake feel should also be assessed, checking for any pulling to one side, vibration through the pedal, or grinding noises, as the brake discs and pads on a high-mileage diesel are likely to have seen substantial wear. A thorough visual inspection of the brake discs for lipping, hot spots, or corrosion pitting is advisable, particularly if the vehicle has been stood for any length of time prior to viewing. Beyond the suspension and braking system, several age- and mileage-related items warrant close physical examination. Inspect all tyres carefully for tread depth, ensuring compliance with the 1.6 mm legal minimum, but also examine the sidewalls for any cracking, perishing, or bulging, as five-year-old tyres on a high-mileage car can deteriorate from heat cycling even if tread remains adequate. The 12V battery should be tested for state of health, as diesel vehicles place high cranking loads on the electrical system, and a failing battery can mask otherwise unrelated electrical faults. Service history verification is essential, particularly evidence of the cambelt and water pump replacement, brake fluid renewal (typically every two years), diesel fuel filter changes, and any DSG or manual gearbox oil services. Finally, examine the underside of the vehicle for any signs of fluid leaks from the engine, gearbox, or differential, check the exhaust system for corrosion or blowing joints, and ensure the DPF has no warning lights illuminated. A compression test or diagnostic scan for stored fault codes relating to emissions, turbocharger, or injector performance would provide additional peace of mind on a diesel of this mileage.