2015 SEAT Leon 1.6L Diesel · YA64 WGF

The latest MOT test in February 2026 resulted in a pass, but only after an initial failure due to an inoperative or malfunctioning engine management warning light, which was rectified before the retest. The advisories from this test, including worn front brake discs, perishing tyres, and light oil misting on the front and rear shock absorbers, indicate a pattern of wear consistent with high mileage. The history shows a worsening trend, particularly with recurring tyre defects—most notably the dangerous structural failures on both front tyres in January 2023—and persistent brake and suspension advisories, suggesting that while the vehicle has been kept roadworthy, it is approaching the limits of its consumable components. At 164,533 miles over 11 years, this SEAT Leon has covered an average of nearly 15,000 miles annually, which is well above the UK average and places it in the high-mileage category. Such usage accelerates wear on the suspension, brakes, drivetrain, and ancillary components, meaning that even if the vehicle has been maintained, the cumulative stress on these systems is significant. The absence of long periods of inactivity reduces the risk of standing-related issues like seized calipers or corroded brake discs, but the high mileage increases the likelihood of fatigue in rubber bushes, shock absorbers, and other wear-prone parts. Prospective buyers should prioritise a thorough inspection of the suspension and braking systems. The recurring advisories for oil misting on the shock absorbers suggest they are nearing the end of their service life; listen for excessive bouncing or knocking over rough surfaces and check for uneven tyre wear, which would confirm damping issues. The front brake discs are noted as worn, so inspect for scoring, lip formation on the disc edges, or juddering under braking, all of which would indicate the need for imminent replacement. The perishing tyres, particularly the front pair, must be examined closely for deep cracks or bulges in the sidewalls, as these could fail catastrophically. Additionally, the previous binding rear brakes should be tested for smooth operation—any drag or uneven heating of the rear wheels would signal a caliper or slide pin issue. Given the high mileage, also verify the condition of the timing belt and water pump if not already replaced, as these are critical on this engine and often require attention around the 100,000-mile mark. Check the service history for evidence of regular oil changes, as neglected oil can accelerate engine wear at this mileage. Finally, assess the overall structural integrity, paying attention to corrosion in the wheel arches, sills, and subframe, as well as the condition of the exhaust system, which may require replacement if rusted or blowing. A test drive should include a cold start to check for excessive smoke or slow oil pressure build-up, both of which could indicate deeper engine wear.