2010 SEAT Leon 1.6L Diesel · LM10 UEO

The 2010 SEAT Leon most recently passed its MOT on 21 July 2026 with no failures or major defects, though four advisories were recorded. These included a nearside rear child seat preventing full inspection of the adult belt, a defective central exhaust mounting, a temporary repair on the nearside rear exhaust mounting, and slight damage, cracking, or perishing on the nearside rear tyre. Looking at the broader DVSA history, the vehicle has passed every test since 2020, with the only failure occurring in May 2023, related to a deteriorated nearside front upper anti-roll bar linkage ball joint dust cover. That same issue had been flagged as a minor advisory the previous year, indicating that it progressively worsened before being replaced. The recurrence of tyre perishing advisories on the nearside rear wheel across multiple tests, the repeated front tyre edge wear in 2023, the brake pad wear advisories from the same year, and the ongoing exhaust mounting concerns suggest a maintenance trend that is broadly stable but with a pattern of recurring age-related consumable wear. The fact that the anti-roll bar issue was resolved and the vehicle has since passed cleanly on structural and safety grounds is a positive indicator. With 66,398 miles recorded over 16 years, the Leon has averaged roughly 4,150 miles per year, which is considerably below the typical annual mileage for a vehicle of this age. This low usage figure is likely a contributing factor to several of the advisories seen on the MOT record, particularly the tyre perishing and exhaust mount deterioration, both of which are commonly associated with vehicles that spend extended periods standing rather than being driven regularly. Low annual mileage reduces wear on mechanical components such as the engine, clutch, and gearbox, but it accelerates degradation of rubber components, brake discs and calipers through surface corrosion, and fluids through calendar-based degradation rather than mileage-based depletion. The relatively consistent MOT pass dates without any obvious extended gaps in testing suggest the vehicle has been in regular use, even if sparingly, and has not been off the road for prolonged periods. Given the age and low mileage profile, a prospective buyer should pay particular attention to rubber and elastomeric components throughout the vehicle. The recurring nearside rear tyre perishing advisory is a clear indicator that age-related sidewall degradation is occurring, and all four tyres should be inspected closely for cracking, even if they appear to have adequate tread depth. A tyre manufactured more than five or six years ago will typically show perishing regardless of mileage, so checking the DOT date codes is strongly recommended. The anti-roll bar linkage failure in 2023 means the replacement part is now approximately three years old, but on a low-mileage vehicle, suspension bushes, drop links, ball joints, and shock absorber mounts are still prone to seizing or perishing from standing, so a thorough check of the front and rear suspension for play, cracking, or corrosion on test is essential. Listen for clonks or knocks over speed bumps and on full lock steering, and check for uneven tyre wear which would indicate geometry or suspension issues. The brake system warrants careful inspection despite the absence of recent advisories. On a low-mileage vehicle, brake discs are particularly susceptible to corrosion pitting and lipping, and calipers can bind from infrequent use, leading to uneven pad wear and possible dragging. During a test drive, listen for grinding or squealing, feel for any pulling to one side, and check for brake shudder under firm stopping. The exhaust mounting advisories from both 2025 and 2026 suggest that the temporary repair made previously is now itself deteriorating, and a full replacement of both the central and nearside rear exhaust mounts should be anticipated. Under the bonnet, given the vehicle's age, the 12V battery should be tested for state of health as it is likely well beyond its typical service life, and all fluids including engine oil, coolant, brake fluid, and power steering fluid should be checked for condition and service history, as these degrade with time regardless of mileage. Finally, verify the service book stamps and obtain evidence of cambelt and water pump replacement, as on a 2010 Leon this is a critical age-related service item that must not be overlooked.